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NEVADA TEAM NEVADA TEAM AGREEMENT BETWEEN WACKENHUT SERVICES, INCORPORATED AND INDEPENDENT GUARD ASSOCIATION OF NEVADA LOCAL NO. 1 2009 - 2014 LAS VEGAS, NEVADA LAS VEGAS, NEVADA AGREEMENT BETWEEN WSI AND INDEPENDENT GUARD ASSOCIATION OF NEVADA LOCAL NO. 1 2009 - 2014 LAS VEGAS, NEVADA 1 AGREEMENT BETWEEN WSI AND INDEPENDENT GUARD ASSOCIATION OF NEVADA LOCAL NO. 1 2009 - 2014 LAS VEGAS, NEVADA 2 PREAMBLE This Agreement is entered into this first day of July 2009, by and between WSI, hereinafter referred to as the "Company" and the Independent Guard Association of Nevada, Local No. 1, hereinafter referred to as the "Union" as the sole and exclusive representative for the purposes of collective bargaining for the Company's employees employed at the locations described in

40 40 ri,if--,r7n11-74"vtl Lit0 tait":,0 RECEIVED FFII 2 8 S96 OSTI The Winds of (Evolutionary) Change: Breathing New Life into Microbiology Gary J. Olsen,* Carl R. Woese,* and Ross A. Overbeekt DISCLAIMER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsi- bility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Refer- ence herein to any specific commercial product, process, or service by trade name, trademark,

The apparatus for collecting radiant energy and converting same to alternate energy form includes a housing having an interior space and a radiation transparent window allowing, for example, solar radiation to be received in the interior space of the housing. Means are provided for passing a stream of fluid past said window and for injecting radiation absorbent particles in said fluid stream. The particles absorb the radiation and because of their very large surface area, quickly release the heat to the surrounding fluid stream. The fluid stream particle mixture is heated until the particles vaporize. The fluid stream is then allowed to expand in, for example, a gas turbine to produce mechanical energy. In an aspect of the present invention properly sized particles need not be vaporized prior to the entrance of the fluid stream into the turbine, as the particles will not damage the turbine blades. In yet another aspect of the invention, conventional fuel injectors are provided to inject fuel into the fluid stream to maintain the proper temperature and pressure of the fluid stream should the source of radiant energy be interrupted. In yet another aspect of the invention, an apparatus is provided which includes means for providing a hot fluid stream having hot particles disbursed therein which can radiate energy, means for providing a cooler fluid stream having cooler particles disbursed therein, which particles can absorb radiant energy and means for passing the hot fluid stream adjacent the cooler fluid stream to warm the cooler fluid and cooler particles by the radiation from the hot fluid and hot particles. 5 figs.

0, 2001 0, 2001 Media Contact: Julie Petersen (803) 725-2889 DOE ANNOUNCES AVAILABILITY OF FINAL SUPPLEMENTAL EIS AND IDENTIFIES PREFERRED SALT PROCESSING ALTERNATIVE Flag Ribbon Art AIKEN, SC; July 20 -Today the Department of Energy (DOE) Savannah River Operations Office (SR) announced the availability of the Savannah River Site Salt Processing Alternatives Final Supplemental Environmental Impact Statement (EIS). Based on DOE's evaluation of research results and comments received on the Draft Supplemental EIS, the Final Supplemental EIS identifies the Caustic Side Solvent Extraction technology as the preferred alternative for separating the high-activity and low-activity salt waste from the liquid high-level radioactive waste now stored in underground tanks at the Savannah River Site (SRS).

A receiver is described for converting solar energy to heat a gas to temperatures from 700 to 900/sup 0/C. The receiver is formed to minimize impingement of radiation on the walls and to provide maximum heating at and near the entry of the gas exit. Also, the receiver is formed to provide controlled movement of the gas to be heated to minimize wall temperatures. The receiver is designed for use with gas containing fine heat absorbing particles, such as carbon particles.

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An improved tower-mounted central solar energy receiver for heating air drawn through the receiver by an induced draft fan. A number of vertically oriented, energy absorbing, fin-shaped slats are radially arranged in a number of concentric cylindrical arrays on top of the tower coaxially surrounding a pipe having air holes through which the fan draws air which is heated by the slats which receive the solar radiation from a heliostat field. A number of vertically oriented and wedge-shaped columns are radially arranged in a number of concentric cylindrical clusters surrounding the slat arrays. The columns have two mirror-reflecting sides to reflect radiation into the slat arrays and one energy absorbing side to reduce reradiation and reflection from the slat arrays.

A homodyne radar transmitter/receiver device which produces a single combined output which contains modulated backscatter information for all phase conditions of both modulated and unmodulated backscatter signals. The device utilizes taps along coaxial transmission lines, strip transmission line, and waveguides which are spaced by 1/8 wavelength or 1/6 wavelength, etc. This greatly reduces costs by eliminating separate transmission and reception antennas and an expensive arrangement of power splitters and mixers utilized in the prior art.

An improved tower-mounted central solar energy receiver for heating air drawn through the receiver by an induced draft fan is described. A number of vertically oriented, energy absorbing, fin-shaped slats are radially arranged in a number of concentric cylindrical arrays on top of the tower coaxially surrounding a pipe having air holes through which the fan draws air which is heated by the slats which receive the solar radiation from a heliostat field. A number of vertically oriented and wedge-shaped columns are radially arranged in a number of concentric cylindrical clusters surrounding the slat arrays. The columns have two mirror-reflecting sides to reflect radiation into the slat arrays and one energy absorbing side to reduce reradiation and reflection from the slat arrays.

The variation in the energy costs of solar central receiver systems as a function of power level, receiver geometry, heliostat size, and heliostat canting option are presented. The results were obtained using a new version of the DELSOL computer model. A broad minimum in the cost of thermal energy at the base of the tower is observed in systems with power levels from 10 MW/sub t/ to over 1000 MW/sub t/. In addition, this power range can be served by a single heliostat design.

An RFID backscatter interrogator for transmitting data to an RFID tag, generating a carrier for the tag, and receiving data from the tag modulated onto the carrier, the interrogator including a single grounded-coplanar wave-guide circuit board and at least one surface mount integrated circuit supported by the circuit board.

Sample records for 725-2889 wackenhut receives from the National Library of Energy Beta (NLEBeta)

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Market trends toward personal television sets can be seen with the increasing ownership of television sets and variety of personal likings. There is also a demand for car television receivers. Reception of television on a moving vehicle requires a receiving ...

This report evaluates and compares north heliostat field/cavity receiver configurations and surround heliostat field/external receiver configurations. The receiver coolants are molten nitrate salts and liquid sodium. Both field/receiver configurations use molten salt thermal storage; the sodium receiver is thermally connected to thermal storage by a sodium-to-salt heat exchanger. The heliostat filed size is fixed at 1,000,000 square meters of reflective area, and the delivered molten salt temperature is fixed at 566/sup 0/C. The delivered thermal power varies from 500 to 600 MW/sub t/, depending on the overall system efficiency. The generic north heliostat field/cavity receiver configurations were found to be 6 to 10 percent efficient than a generic surround field/external receiver configuration. There was little or no difference found in the transient performance of a molten salt receiver compared to a sodium receiver connected to a sodium-to-salt heat exchanger. Four configurations were of particular interest: (1) a north heliostat field/single cavity molten salt receiver, (2) a surround heliostat field/external cylinder molten salt receiver, (3) a surround heliostat field/external cylinder liquid sodium receiver, and (4) a north heliostat field/single cavity liquid sodium receiver. It was found that the surround field/liquid sodium external receiver configuration may provide energy at a 14 percent lower levelized energy cost than a north field/molten salt cavity receiver configuration. However, the cost advantage of the surround field/liquid sodium external receiver is not conclusive because of uncertainties in system component costs.

Services Â» Employee Services Â» Facility Operations Â» Shipping Services Â» Employee Services Â» Facility Operations Â» Shipping and Receiving Shipping and Receiving Headquarters Receiving Services Information It is our responsibility to get your package to you as quickly as possibly. In order to accomplish this, we must first receive it. However, it is difficult to receive your package if it arrives without being properly addressed. When placing orders with commercial vendors, it is imperative that you let them know the addressees name, mail stop code, room number, location (Forrestal or Germantown) and the address. This information will allow us to receive your order and not reject it. It will also help if you would provide our office with a copy of your purchase order which will assist us in efficiently receiving your order and getting it to you.

-channel charge sampling receivers with sinc filter banks together with a complete system calibration and synchronization algorithm for the receiver. A unified model has been defined for the receiver containing all first order mismatches, offsets... and imperfections and a technique based on least mean squares algorithm is employed to track these errors. The performance of this technique under noisy channel conditions has been verified. The sinc filter bank is compared with the conventional analog filter...

Strategic Petroleum Reserve Receives Prestigious Environmental Strategic Petroleum Reserve Receives Prestigious Environmental Award Strategic Petroleum Reserve Receives Prestigious Environmental Award September 22, 2009 - 1:00pm Addthis Washington, DC - The Department of Energy's Office of Fossil Energy (FE) announced today that the Strategic Petroleum Reserve (SPR) has received the Most Valuable Pollution Prevention Project (MVP2) award from the National Pollution Prevention Roundtable for lowering potential greenhouse gas emissions. This is the first time the SPR has captured the award for its commitment to pollution prevention, focusing on innovation, measurable results, transferability, commitment, and optimization of available project resources. "This is another example of the hard work and dedication by employees at

Strategic Petroleum Reserve Receives Prestigious Environmental Strategic Petroleum Reserve Receives Prestigious Environmental Award Strategic Petroleum Reserve Receives Prestigious Environmental Award September 22, 2009 - 1:00pm Addthis Washington, DC - The Department of Energy's Office of Fossil Energy (FE) announced today that the Strategic Petroleum Reserve (SPR) has received the Most Valuable Pollution Prevention Project (MVP2) award from the National Pollution Prevention Roundtable for lowering potential greenhouse gas emissions. This is the first time the SPR has captured the award for its commitment to pollution prevention, focusing on innovation, measurable results, transferability, commitment, and optimization of available project resources. "This is another example of the hard work and dedication by employees at

A radiation-to-thermal receiver apparatus for collecting radiation and converting it to thermal energy is disclosed. The invention includes a fibrous mat material which captures radiation striking the receiver. Captured radiation is removed from the fibrous mat material by a transparent fluid within which the material is bathed.

A Sandia project currently uses an outdated Magnavox 6400 Global Positioning System (GPS) receiver as the core of its navigation system. The goal of this study was to analyze the performance of the current GPS receiver compared to newer, less expensive models and to make recommendations on how to improve the performance of the overall navigation system. This paper discusses the test methodology used to experimentally analyze the performance of different GPS receivers, the test results, and recommendations on how an upgrade should proceed. Appendices contain detailed information regarding the raw data, test hardware, and test software.

The fundamental problem of wireless video multicast is to scalably serve multiple receivers which may have very different channel characteristics. Ideally, one would like to broadcast a single stream that allows each ...

A hybrid high-temperature solar receiver is provided which comprises a solar heat-pipe-receiver including a front dome having a solar absorber surface for receiving concentrated solar energy, a heat pipe wick, a rear dome, a sidewall joining the front and the rear dome, and a vapor and a return liquid tube connecting to an engine, and a fossil fuel fired combustion system in radial integration with the sidewall for simultaneous operation with the solar heat pipe receiver, the combustion system comprising an air and fuel pre-mixer, an outer cooling jacket for tangentially introducing and cooling the mixture, a recuperator for preheating the mixture, a burner plenum having an inner and an outer wall, a porous cylindrical metal matrix burner firing radially inward facing a sodium vapor sink, the mixture ignited downstream of the matrix forming combustion products, an exhaust plenum, a fossil-fuel heat-input surface having an outer surface covered with a pin-fin array, the combustion products flowing through the array to give up additional heat to the receiver, and an inner surface covered with an extension of the heat-pipe wick, a pin-fin shroud sealed to the burner and exhaust plenums, an end seal, a flue-gas diversion tube and a flue-gas valve for use at off-design conditions to limit the temperature of the pre-heated air and fuel mixture, preventing pre-ignition.

Separate structures for electrical insulation and thermal conduction are established within a liquid cooled, linear focus solar cell receiver for use with parabolic or Fresnel optical concentrators. The receiver includes a V-shaped aluminum extrusion having a pair of outer faces each formed with a channel receiving a string of solar cells in thermal contact with the extrusion. Each cell string is attached to a continuous glass cover secured within the channel with spring clips to isolate the string from the external environment. Repair or replacement of solar cells is effected simply by detaching the spring clips to remove the cover/cell assembly without interrupting circulation of coolant fluid through the receiver. The lower surface of the channel in thermal contact with the cells of the string is anodized to establish a suitable standoff voltage capability between the cells and the extrusion. Primary electrical insulation is provided by a dielectric tape disposed between the coolant tube and extrusion. Adjacent solar cells are soldered to interconnect members designed to accommodate thermal expansion and mismatches. The coolant tube is clamped into the extrusion channel with a releasably attachable clamping strip to facilitate easy removal of the receiver from the coolant circuit.

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Separate structures for electrical insulation and thermal conduction are established within a liquid cooled, linear focus solar cell receiver for use with parabolic or Fresnel optical concentrators. The receiver includes a V-shaped aluminum extrusion having a pair of outer faces each formed with a channel receiving a string of solar cells in thermal contact with the extrusion. Each cell string is attached to a continuous glass cover secured within the channel with spring clips to isolate the string from the external environment. Repair or replacement of solar cells is effected simply by detaching the spring clips to remove the cover/cell assembly without interrupting circulation of coolant fluid through the receiver. The lower surface of the channel in thermal contact with the cells of the string is anodized to establish a suitable standoff voltage capability between the cells and the extrusion. Primary electrical insulation is provided by a dielectric tape disposed between the coolant tube and extrusion. Adjacent solar cells are soldered to interconnect members designed to accommodate thermal expansion and mismatches. The coolant tube is clamped into the extrusion channel with a releasably attachable clamping strip to facilitate easy removal of the receiver from the coolant circuit.

This fact sheet describes a project awarded under the DOE's 2012 SunShot Concentrating Solar Power R&D award program to NREL which features a particle receiver with a fluidized bed. The research team is working to develop a technology that uses gas/solid, two-phase flow as a heat-transfer fluid and separated, stable, solid particles as a thermal energy storage medium. This project provides a pathway for CSP plants to increase their solar-to-electric conversion efficiency and reduce costs in the areas of solar collection from the solar field to the receiver, energy conversion systems, and thermal energy storage.

Received February 17-18 Received February 17-18 1. I am formally requesting information on the length of the entire CCS Program. a. Is there a minimum time requirement on the Demonstration portion of the project? There is no specific minimum duration for the Demonstration Phase. However, projects will be evaluated on their ability to meet DOE's target of capture and sequestration of one million tons of CO 2 per year. Another objective of the program is to demonstrate geologic sequestration options in a variety of geologic settings in order to evaluate costs, operational processes, and technical performance. Excessively short Demonstration Phase durations will not assist DOE in meetings its objectives, and will be taken into consideration during the evaluation.

questions received by March 19, 2010 questions received by March 19, 2010 1. Is property tax on land or equipment directly attributable to the project eligible for cost share? 2. Is insurance, with coverage comparable to that purchased for similar projects, eligible for cost share (construction and operating)? Response: The answer to both questions is yes. The specific cost principle that the Applicants can go to for further information, as well as the regulations on cost sharing are given below. Question 1 - FAR Part 31.205-41, Taxes Question 2 - FAR Part 31.205-19, Insurance and Indemnification Cost Sharing regulations - 10 CFR 600.123; 10 CFR 600.224; or 10 CFR 600.313 Since both questions indicate that the costs to be incurred will be used as potential cost share for the project, additional details will be needed to verify and validate the

A homodyne motion sensor or detector based on ultra-wideband radar utilizes the entire received waveform through implementation of a voltage boosting receiver. The receiver includes a receiver input and a receiver output. A first diode is connected to the receiver output. A first charge storage capacitor is connected from between the first diode and the receiver output to ground. A second charge storage capacitor is connected between the receiver input and the first diode. A second diode is connected from between the second charge storage capacitor and the first diode to ground. The dual diode receiver performs voltage boosting of a RF signal received at the receiver input, thereby enhancing receiver sensitivity.

A borehole seismic tool including a borehole clamp which only moves perpendicular to the borehole. The clamp is driven by an electric motor, via a right angle drive. When used as a seismic receiver, the tool has a three part housing, two of which are hermetically sealed. Accelerometers or geophones are mounted in one hermetically sealed part, the electric meter in the other hermetically sealed part, and the clamp and right angle drive in the third part. Preferably the tool includes cable connectors at both ends. Optionally a shear plate can be added to the clamp to extend the range of the tool.

A borehole seismic tool is described including a borehole clamp which only moves perpendicular to the borehole. The clamp is driven by an electric motor, via a right angle drive. When used as a seismic receiver, the tool has a three part housing, two of which are hermetically sealed. Accelerometers or geophones are mounted in one hermetically sealed part, the electric motor in the other hermetically sealed part, and the clamp and right angle drive in the third part. Preferably the tool includes cable connectors at both ends. Optionally a shear plate can be added to the clamp to extend the range of the tool.

A heliostat reflector assembly for a solar central receiver system comprises a light-weight, readily assemblable frame which supports a sheet of stretchable reflective material and includes mechanism for selectively applying tension to and positioning the sheet to stretch it to optical flatness. The frame is mounted on and supported by a pipe pedestal assembly that, in turn, is installed in the ground. The frame is controllably driven in a predetermined way by a light-weight drive system so as to be angularly adjustable in both elevation and azimuth to track the sun and efficiently continuously reflect the sun's rays to a focal zone, i.e. central receiver, which forms part of a solar energy utilization system, such as a solar energy fueled electrical power generation system. The frame may include a built-in system for testing for optical flatness of the reflector. The preferable geometric configuration of the reflector is octagonal; however, it may be other shapes, such as hexagonal, pentagonal or square. Several different embodiments of means for tensioning and positioning the reflector to achieve optical flatness are disclosed. The reflector assembly is based on the stretch frame concept which provides an extremely light-weight, simple, low-cost reflector assembly that may be driven for positioning and tracking by a light-weight, inexpensive drive system.

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Contractor Receives Awards for Safety Contractor Receives Awards for Safety Hanford Contractor Receives Awards for Safety September 30, 2013 - 12:00pm Addthis RICHLAND, Wash. - A Hanford site contractor supporting EM's cleanup program has again received a prestigious safety award from DOE's Voluntary Protection Program (VPP). Advanced Technologies and Laboratories International (ATL) was presented the Star of Excellence Award for safety at the 29th annual VPP Participants Association Conference in Nashville, Tenn. Since it became a prime contractor at Hanford in 2005, ATL has received the award twice for committing to the principles of VPP, reaching established safety and health goals and attaining an injury and illness rate well below the average for similar businesses. ATL also received the 2013 Outreach Award alongside other Hanford prime

Hanford Contractor Receives Awards for Safety Hanford Contractor Receives Awards for Safety Hanford Contractor Receives Awards for Safety September 30, 2013 - 12:00pm Addthis RICHLAND, Wash. - A Hanford site contractor supporting EM's cleanup program has again received a prestigious safety award from DOE's Voluntary Protection Program (VPP). Advanced Technologies and Laboratories International (ATL) was presented the Star of Excellence Award for safety at the 29th annual VPP Participants Association Conference in Nashville, Tenn. Since it became a prime contractor at Hanford in 2005, ATL has received the award twice for committing to the principles of VPP, reaching established safety and health goals and attaining an injury and illness rate well below the average for similar businesses. ATL also received the 2013 Outreach Award alongside other Hanford prime

An improved coolant flow control for use in radiant energy receivers of the type having parallel flow paths is disclosed. A coolant performs as a temperature dependent valve means, increasing flow in the warmer flow paths of the receiver, and impeding flow in the cooler paths of the receiver. The coolant has a negative temperature coefficient of viscosity which is high enough such that only an insignificant flow through the receiver is experienced at the minimum operating temperature of the receiver, and such that a maximum flow is experienced at the maximum operating temperature of the receiver. The valving is accomplished by changes in viscosity of the coolant in response to the coolant being heated and cooled. No remotely operated valves, comparators or the like are needed.

A support and maneuvering apparatus is disclosed for a solar energy receiving device adpated for receiving and concentrating solar energy and having a central axis extending through the center thereof. The apparatus includes a frame for mounting the perimeter of said solar energy receiving device. A support member extends along the central axis of the receiving device and has a base end passing through the center of the receiving device and an outer distal end adapted for carrying a solar energy receiving and conversion mechanism. A variable tension mechanism interconnects the support member with the frame to provide stiffening for the support member and the frame and to assist in the alignment of the frame to optimize the optical efficiency of the solar energy receiving device. A rotatable base is provided, and connecting members extend from the base for pivotable attachment to the frame at spaced positions therealong. Finally, an elevation assembly is connected to the receiving device for selectively pivoting the receiving device about an axis defined between the attachment positions of the connecting members on the frame.

Abstract A pressurized air-based solar receiver is considered for power generation via gas turbines using concentrated solar energy. The modular solar receiver is designed for heating compressed air to the entrance conditions of a gas turbine in the pressure range 4 – 30 bar and temperature range 800 – 1200 °C. The development work involved the design, fabrication, testing, and modelling of a 3 kWth and a 35 kWth solar receiver prototypes. System integration of an array of modular solar receivers with fossil-fuel hybridization was analysed.

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for on-board interference detection and monitoring. Types of interference considered include CW interference, which occurs naturally in the operating environment of a GPS receiver, can surreptitiously monitoring. However in certain scenarios, interference to on-board receivers may be unobservable from

Using reflux solar receivers to collect solar energy for dish-Stirling electric power generation systems is currently being investigated by several organizations, including Sandia National Laboratories, Albuquerque, New Mexico. In support of this program, Sandia has developed two numerical models describing the energy transfer within and thermal performance of pool-boiler and heat-pipe receivers. Both models are applicable to axisymmetric geometries and they both consider the radiative and convective energy transfer within the receiver cavity, the conductive and convective energy transfer within the receiver cavity, the conductive and convective energy transfer from the receiver housing, and the energy transfer to the receiver working fluid. In these models, the radiative transfer within the receiver is analyzed using a two-band (solar and infrared) net-radiation formulation for enclosure radiation. Empirical convective correlations describe the convective heat transfer from the cavity to the surroundings. The primary difference between the models is the level of detail in modeling the heat conduction through the receiver walls. The more detailed model uses a two-dimensional finite control volume method, whereas the simpler model uses a one-dimensional thermal resistance approach. 20 refs., 7 figs., 2 tabs.

satellites and decoding their data, the GPS receiver of a PMU estimates its own position and the offset the feasibility of a spoofing attack on the GPS receiver of a Phasor Measurement Unit (PMU). We formulate the attack as an optimization problem where the objective is to maximize the difference between the PMU

Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase September 24, 2013 - 12:19pm Addthis The Energy Department announced today that it has received a 2013 Green Power Leadership Award from the U.S. Environmental Protection Agency (EPA). The annual awards recognize the country's leading green power consumers for their commitment and contribution to helping advance the development of the nation's voluntary green power market. EPA presented the Energy Department with the award at an event held in conjunction with the 2013 Renewable Energy Markets Conference in Austin, Texas, on September 23, 2013. The Department was one of only eight organizations nationwide to receive a Leadership Award for utilization of green power. The award recognizes EPA

The design of a hybrid solar/gas heat pipe receiver for the SBP 9 kW dish/Stirling system using a United Stirling AB V160 Stirling engine and the results of on-sun testing in alternative and parallel mode will be reported. The receiver is designed to transfer a thermal power of 35 kW. The heat pipe operates at around 800 C, working fluid is sodium. Operational options are solar-only, gas augmented and gas-only mode. Also the design of a second generation hybrid heat pipe receiver currently developed under a EU-funded project, based on the experience gained with the first hybrid receiver, will be reported. This receiver is designed for the improved SPB/L. and C.-10 kW dish/Stirling system with the reworked SOLO V161 Stirling engine.

Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase Energy Department Receives EPA Award for Top Green Power Purchase September 24, 2013 - 12:19pm Addthis The Energy Department announced today that it has received a 2013 Green Power Leadership Award from the U.S. Environmental Protection Agency (EPA). The annual awards recognize the country's leading green power consumers for their commitment and contribution to helping advance the development of the nation's voluntary green power market. EPA presented the Energy Department with the award at an event held in conjunction with the 2013 Renewable Energy Markets Conference in Austin, Texas, on September 23, 2013. The Department was one of only eight organizations nationwide to receive a Leadership Award for utilization of green power. The award recognizes EPA

Receives Prestigious Closing the Circle Awards Receives Prestigious Closing the Circle Awards for Environmental Stewardship Energy Department Receives Prestigious Closing the Circle Awards for Environmental Stewardship June 13, 2007 - 1:40pm Addthis DOE Won Four Out of Ten Civilian Awards WASHINGTON, DC - The Department of Energy (DOE) this week received four White House Closing the Circle (CTC) awards, which recognize federal leadership in green purchasing, electronics recycling, and energy efficiency practices. These awards are presented annually by the Office of the Federal Environmental Executive for outstanding achievements of Federal employees and their facilities for efforts that make a significant positive impact on environmental stewardship. "I am proud to accept these awards on behalf of all the employees of the

68 Scientists to Receive Early Career 68 Scientists to Receive Early Career Research Program Funding Secretary Chu Announces 68 Scientists to Receive Early Career Research Program Funding May 18, 2012 - 3:05pm Addthis News Media Contact (202) 386-4940 WASHINGTON - Underscoring the Obama Administration's commitment to investing in innovation and the American workforce, U.S. Department of Energy Secretary Steven Chu today announced that 68 scientists from across the nation will receive up to $18.9 million in funding for research grants as part of DOE's Early Career Research Program. The effort, now in its third year, is designed to bolster the nation's scientific workforce by providing support to exceptional researchers during the crucial early career years, when many scientists do their most formative work.

61 Scientists to Receive Early Career 61 Scientists to Receive Early Career Research Program Funding Energy Department Announces 61 Scientists to Receive Early Career Research Program Funding May 7, 2013 - 12:56pm Addthis NEWS MEDIA CONTACT (202) 586-4940 WASHINGTON - Underscoring the Obama Administration's commitment to investing in innovation and the American workforce, Acting Secretary of Energy Daniel Poneman today announced that 61 scientists from across the nation will receive up to $15.3 million in funding for research as part of the Energy Department's Early Career Research Program. The effort, now in its fourth year, is designed to bolster the nation's scientific workforce by providing support to exceptional researchers during the crucial early career years, when many scientists do their most formative

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Employees Receive Pollution Prevention Awards Employees Receive Pollution Prevention Awards Los Alamos National Laboratory employees receive Pollution Prevention Awards Nearly 400 employees on 47 teams received Pollution Prevention awards for protecting the environment and saving taxpayers more than $8 million. April 23, 2013 Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Contact Steve Sandoval Communications Office (505) 665-9206 Email The Pollution Prevention Awards are the result of people taking the initiative to improve their own operations. Protecting environment, saving taxpayer dollars

Energy Department Receives Prestigious Closing the Circle Awards Energy Department Receives Prestigious Closing the Circle Awards for Environmental Stewardship Energy Department Receives Prestigious Closing the Circle Awards for Environmental Stewardship June 13, 2007 - 1:40pm Addthis DOE Won Four Out of Ten Civilian Awards WASHINGTON, DC - The Department of Energy (DOE) this week received four White House Closing the Circle (CTC) awards, which recognize federal leadership in green purchasing, electronics recycling, and energy efficiency practices. These awards are presented annually by the Office of the Federal Environmental Executive for outstanding achievements of Federal employees and their facilities for efforts that make a significant positive impact on environmental stewardship. "I am proud to accept these awards on behalf of all the employees of the

scientist receives presidential award for advancement of science scientist receives presidential award for advancement of science Yugang Sun receives a PECASE award Yugang Sun (left) with Dr. Altaf Carim, DOE program manager for the five Nanoscale Science Research Centers, during the December 19, 2008, PECASE award ceremony at DOE headquarters Assistant chemist Yugang Sun received the Presidential Early Career Award for Scientists and Engineers (PECASE) to recognize his contribution to the advancement of science. Dr. Sun, a member of the Nanophotonics Group in Argonne's Center for Nanoscale Materials, was recognized for developing ground-breaking techniques for chemical synthesis and nanofabrication of metal and semiconductor nanomaterials, as well as for community educational activities. The Presidential Awards are intended to recognize and nurture

survey. A new algorithm to estimate these parameters from a GPS receiver is developed usingnonlinear batch ?lteringmethods.For convergence issues, both the nolinear least squares (NLS) and Levenberg-Marquardt (LM) methods are applied in the estimation...

The U.S. Department of Energy (DOE), along with its partners the Bureau of Ocean Energy Management (BOEM) and the National Oceanic and Atmospheric Administration (NOAA), received the Department of Interior’s “Partners in Conservation Award.”

Subcarrier multiplexing (SCM) optical systems with high subcarrier frequencies are susceptible to power fading caused by fiber polarization-mode dispersion (PMD). In this letter, an SCM optical receiver free of carrier ...

Solar energy can be economically converted into electrical ... small and medium power outputs. A typical solar power plant consists of a parabolic dish, cavity receiver and gas turbine. To obtain high gas turbine

A stationary thermal model of an LCS-HR system is considered, taking into account the basic parameters of the problem: availability of a transparent screen, selectivity of the receiver, characteristics of the ...

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At the 10 MWe Solar Central Receiver Pilot Plant near Barstow, California, the beam characterization system (BCS) has been upgraded and a sunshape measurement system has been added. Heliostat mirror cleanliness h...

Administering truncated receive functions in a parallel messaging interface (`PMI`) of a parallel computer comprising a plurality of compute nodes coupled for data communications through the PMI and through a data communications network, including: sending, through the PMI on a source compute node, a quantity of data from the source compute node to a destination compute node; specifying, by an application on the destination compute node, a portion of the quantity of data to be received by the application on the destination compute node and a portion of the quantity of data to be discarded; receiving, by the PMI on the destination compute node, all of the quantity of data; providing, by the PMI on the destination compute node to the application on the destination compute node, only the portion of the quantity of data to be received by the application; and discarding, by the PMI on the destination compute node, the portion of the quantity of data to be discarded.

Receives Highest Transportation Industry Receives Highest Transportation Industry Safety Award Department of Energy Receives Highest Transportation Industry Safety Award May 1, 2007 - 12:45pm Addthis WASHINGTON, DC - The U.S. Department of Energy (DOE) today received the Transportation Community Awareness and Emergency Response (TRANSCAER) Chairman's Award, one of industry's highest transportation safety awards, for helping local communities in emergency preparedness and response. TRANSCAER is a voluntary national organization that assists communities in emergency preparedness and response. "I'm very proud that The Department of Energy has raised the bar for community-based transportation emergency preparedness," Secretary of Energy Samuel W. Bodman said. "Safety is our number one priority, and we will

Projects Receive Sustainability Awards Projects Receive Sustainability Awards Hanford Projects Receive Sustainability Awards June 7, 2011 - 12:00pm Addthis Media Contact Geoff Tyree, DOE (509) 376-4171 Geoffrey.Tyree@rl.doe.gov RICHLAND, WASH. - Hanford's Department of Energy offices and their contractors received special recognition Tuesday for their part in promoting sustainability. The Department of Energy's Office of Environmental Management in Washington D.C. selected 10 Hanford Site projects to be awarded for excellence in encouraging sustainability, conserving resources, and exemplifying the ideals set forth by Executive Order 13514. The Order was signed by President Barack Obama on October 5, 2009, and challenged federal agencies to make plans and lead by example in "environmental, energy, and economic

Communities Receive Technical Assistance for Local Communities Receive Technical Assistance for Local Clean Energy Development Alaska Native Communities Receive Technical Assistance for Local Clean Energy Development April 29, 2013 - 3:08pm Addthis News Media Contact (202) 586-4940 WASHINGTON - As part of the Obama Administration's efforts to help Tribal communities across the country enhance their energy security and build a sustainable energy future, the Energy Department and the Denali Commission today announced that five Alaska Native communities will receive technical expertise through the Strategic Technical Assistance Response Team (START) program. Building on five technical assistance awards made last year, the projects selected today will further accelerate local clean energy and energy efficiency projects that advance energy self-sufficiency

A hybrid combined cycle power plant including a solar central receiver for receiving solar radiation and converting it to thermal energy. The power plant includes a molten salt heat transfer medium for transferring the thermal energy to an air heater. The air heater uses the thermal energy to preheat the air from the compressor of the gas cycle. The exhaust gases from the gas cycle are directed to a steam turbine for additional energy production.

Oak Ridge National Laboratory (ORNL) has been developing advanced coherent IR heterodyne receivers for plasma diagnostics in fusion reactors for over 20 years. Recent progress in wide band IR detectors and high speed electronics has significantly enhanced the measurement capabilities of coherent receivers. In addition, developments in new HgCdTe and quantum well IR photodetector (QWIP) focal plane arrays are providing the possibility of both active and passive coherent imaging. In this paper the authors discuss the implications of these new enabling technologies to the IR remote sensing community for enhanced surveillance. Coherent receivers, as opposed to direct or thermal detection, provide multiple dimensions of information about a scene or target in a single detector system. Combinations of range, velocity, temperature, and chemical species information are all available from a coherent heterodyne receiver. They present laboratory data showing measured noise equivalent power (NEP) of new QWIP detectors with heterodyne bandwidths greater than 7 GHz. For absorption measurements, a wide band coherent receiver provides the capability of looking between CO{sub 2} lines at off-resonance peaks and thus the measurement of lines normally inaccessible with conventional heterodyne or direct detection systems. Also described are differential absorption lidar (DIAL) and Doppler laboratory measurements using an 8 x 8 HgCdTe focal plane array demonstrating the snapshot capability of coherent receiver detector arrays for enhanced chemical plume and moving hardbody capture. Finally they discuss a variety of coherent receiver configurations that can suppress (or enhance) sensitivity of present active remote sensing systems to speckle, glint, and other measurement anomalies.

Savannah River Site Contractor Receives Project Management Savannah River Site Contractor Receives Project Management Institute Award Savannah River Site Contractor Receives Project Management Institute Award November 15, 2011 - 12:00pm Addthis SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. AIKEN, S.C. - The local chapter of the Project Management Institute (PMI) recently honored the Savannah River Site liquid waste contractor with its

LANL spinoff receives NIH grant LANL spinoff receives NIH grant LANL spinoff receives NIH grant for respiratory disease diagnostic device Mesa Tech has been awarded a grant to develop an inexpensive, instrument-free, nucleic-acid testing device to diagnose various respiratory diseases in record time. October 19, 2011 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy

Two from APS Receive U. of C. Distinguished Performance Award Two from APS Receive U. of C. Distinguished Performance Award Wah-Keat Lee and Jin Wang (both ANL-XFD) are among five scientists from the U.S. Department of Energy's Argonne National Laboratory who have received the 2005 University of Chicago Board of Governors for Argonne Distinguished Performance Award, which recognizes outstanding scientific or technical achievements or a distinguished record of achievements. Wang and Lee are being honored for their success in using X-rays in a wide range of research. Wang is a world-renowned expert in the application of X-ray scattering to a variety of materials science problems. He is best known for his research into the dynamics of fuel sprays, where he applied an innovative research approach and achieved unique results. Lee, after

SHOCKLEY RECEIVES 2012 EXCELLENCE IN GOVERNMENT SHOCKLEY RECEIVES 2012 EXCELLENCE IN GOVERNMENT AWARD Morgantown, W.Va. - The National Energy Technology Laboratory's (NETL) Darryl T. Shockley has been selected by the Pittsburgh Federal Executive Board (FEB) for their Excellence in Government Award for Outstanding Contribution to Science (Non-Medical), Silver level. The Award was presented at the 29th annual Awards Program luncheon at the Westin Convention Center Hotel in Pittsburgh on Friday, May 25. Out of the 160 nominations FEB received from regional Federal organizations, NETL was lauded with 3 Gold Awards, 2 Silver Awards, and 5 Bronze Awards. Representatives from 16 Federal agencies, acting as an FEB awards committee, made the semi-final selections, and a panel of representatives from the business and civic community chose

Argonne researcher and his colleagues receive best paper prize Argonne researcher and his colleagues receive best paper prize November 21, 2013 Tweet EmailPrint Sven Leyffer, senior computational mathematician in Argonne National Laboratory's Mathematics and Computer Science Division, and his colleagues Chungen Shen of Shanghai Finance University and Roger Fletcher of the University of Dundee received the 2012 Best Paper Prize for their paper "A nonmonotone filter method for nonlinear optimization." The paper, which appeared in the international journal Computational Optimization and Applications, was chosen by the editorial board from more than 130 papers. An article about the award-winning paper is featured in the November 2013 issue of the journal. "Our aim was to develop a method that avoided the use of old filter

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Historically Black Colleges and Universities Receive Funds for Historically Black Colleges and Universities Receive Funds for Fossil Energy Research Historically Black Colleges and Universities Receive Funds for Fossil Energy Research August 15, 2013 - 1:18pm Addthis Washington, D.C. - Five fossil energy-related projects that will help maintain the nation's energy portfolio while also providing educational and research training opportunities for tomorrow's scientists and engineers have been selected for funding by the U.S. Department of Energy (DOE). The funding opportunity to enhance scientific and technical understanding of conversion and utilization of fossil fuels is through the Office of Fossil Energy's National Energy Technology Laboratory (NETL). The DOE program involved is the Support of Advanced Fossil Resource Utilization

States Receive Energy Department Awards to Drive Greater States Receive Energy Department Awards to Drive Greater Energy Efficiency, Save Money Thirteen States Receive Energy Department Awards to Drive Greater Energy Efficiency, Save Money November 26, 2013 - 2:44pm Addthis News Media Contact (202) 586-4940 WASHINGTON - Building on the Obama Administration's efforts to double energy productivity by 2030 and help communities save on energy bills, the Energy Department today awarded nearly $4 million to 13 states to increase statewide energy savings and boost the energy efficiency of public institutions, local governments and industrial sectors. The Department's State Energy Program has a long history in assisting states in saving energy and deploying new clean energy technologies. "Smart, cost-effective investments in energy efficiency are helping

First Companies to Receive Industrial Energy First Companies to Receive Industrial Energy Efficiency Certification DOE Announces First Companies to Receive Industrial Energy Efficiency Certification December 9, 2010 - 12:00am Addthis WASHINGTON - The U.S. Department of Energy today announced the first industrial plants in the country to be certified under the Superior Energy Performance program -- a new, market-based industrial energy efficiency program. The energy management certification program is accredited by the American National Standards Institute (ANSI) and will serve as a roadmap for industrial facilities to help continually improve their efficiency and maintain market competitiveness. The industrial and manufacturing sectors, which account for roughly one-third of energy use in the United

Receives Several Honors in 2011 DOE Sustainability Awards Receives Several Honors in 2011 DOE Sustainability Awards EM Receives Several Honors in 2011 DOE Sustainability Awards November 4, 2011 - 12:00pm Addthis Several EM employees, projects and teams were honored as part of the 2011 DOE Sustainability Awards announced this week. The awards recognize the achievements of DOE employees who saved taxpayer money by reducing the Department's use of energy, water, and paper, while improving the energy efficiency of government buildings and vehicles. EM award winners include an American Recovery and Reinvestment Act project to remediate tritium-contaminated debris at the Savannah River Site in an innovative, cost-effective way; the East Tennessee Technology Park, which was recognized for uniquely applying technology to create a paperless

Received on Proposed Rulemaking for regulation Received on Proposed Rulemaking for regulation implementing section 216(h): Coordination of Federal Transmission Permitting on Federal Lands Comments Received on Proposed Rulemaking for regulation implementing section 216(h): Coordination of Federal Transmission Permitting on Federal Lands Section 1221(a) of EPAct 2005, which added section 216(h) to the Federal Power Act, stated that the U.S. Department of Energy (DOE) is to coordinate all Federal authorizations and related environmental reviews needed for siting interstate electric transmission projects, including National Environmental Policy Act of 1969 (NEPA) reviews. The purpose of this coordination is to streamline agencies' review processes and avoid duplication among Federal agencies. Section 216(h) of the Federal Power Act

Waste Isolation Pilot Plant Receives EPA Recertification Waste Isolation Pilot Plant Receives EPA Recertification DOE Waste Isolation Pilot Plant Receives EPA Recertification March 29, 2006 - 9:42am Addthis CARLSBAD, NM - The U.S. Department of Energy's (DOE) Carlsbad Field Office today reached a significant milestone when its Waste Isolation Pilot Plant (WIPP) was recertified by the U.S. Environmental Protection Agency (EPA). This decision indicates that after a thorough evaluation of the physical state and performance of the facility, the WIPP meets EPA regulatory requirements for facilities that dispose of transuranic waste. The waste facility recertification process occurs every five years and is directed by Congress in the WIPP Land Withdrawal Act (LWA). "EPA's recertification reinforces the important mission of WIPP to safely

Contractor Receives Project Management Contractor Receives Project Management Institute Award Savannah River Site Contractor Receives Project Management Institute Award November 15, 2011 - 12:00pm Addthis SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. SRR Bubbler Project Manager Bill Pepper, center, accepts the PMI Project of the Year award from Eloy Saldivar, left, president of the Savannah River Chapter of PMI. DWPF Facility Manager Les Sonnenberg is on the right. AIKEN, S.C. - The local chapter of the Project Management Institute (PMI) recently honored the Savannah River Site liquid waste contractor with its 2011 Project of the Year award.

Congestion Study Webinars to Present Preliminary Findings and Congestion Study Webinars to Present Preliminary Findings and Receive Input from Stakeholders 2012 Congestion Study Webinars to Present Preliminary Findings and Receive Input from Stakeholders July 19, 2012 - 9:00am Addthis The Department of Energy will host three webinars in August 2012 to present the preliminary findings of the 2012 National Electric Transmission Congestion Study and to receive input and suggestions from state officials, industry representatives, and other stakeholders. Two of the webinars will be designed to discuss with state officials the initial findings of the DOE 2012 congestion analysis. The third webinar will be for industry representatives and other interested parties, although stakeholders may dial into any of the three meetings.

EM Receives Several Honors in 2011 DOE Sustainability Awards EM Receives Several Honors in 2011 DOE Sustainability Awards EM Receives Several Honors in 2011 DOE Sustainability Awards November 4, 2011 - 12:00pm Addthis Several EM employees, projects and teams were honored as part of the 2011 DOE Sustainability Awards announced this week. The awards recognize the achievements of DOE employees who saved taxpayer money by reducing the Department's use of energy, water, and paper, while improving the energy efficiency of government buildings and vehicles. EM award winners include an American Recovery and Reinvestment Act project to remediate tritium-contaminated debris at the Savannah River Site in an innovative, cost-effective way; the East Tennessee Technology Park, which was recognized for uniquely applying technology to create a paperless

Oak Ridge National Laboratory (ORNL) has been developing advanced infrared heterodyne receivers for plasma diagnostics in fusion reactors for over 20 years. Passive heterodyne radiometry in the LWIR region of the spectrum has historically been restricted by HgCdTe (MCT) detector technology to receiver bandwidths of only 2 GHz. Given typical atmospheric line widths of approximately 3 GHz, a CO{sub 2} (or isotope) laser local oscillator with an average line spacing of 50 GHz, and an MCT detector, only chemical species whose absorptions fall directly on top of laser lines can be measured. Thus, with traditional narrow-band heterodyne radiometry, much of the LWIR spectrum is missed and the less complex direct detection DIAL has been the preferred technique in remote sensing applications. Wide-band heterodyne receivers offer significant improvements in remote measurement capability. Progress at the Institute for Microstructural Sciences (IMS) at National Research Council of Canada and at ORNL in wide-band quantum-well infrared photodetectors (QIPs) and receivers is significantly enhancing the bandwidth capabilities of heterodyne radiometers. ORNL recently made measurements in the lab using QWIPs developed at IMS that demonstrate heterodyne quantum efficiencies of 5% with a heterodyne bandwidth of 7 GHz. The path forward indicates that > 10% heterodyne quantum efficiencies and 30-GHz bandwidths are achievable with current QWIP technology. With a chopped, 30-GHz passive heterodyne receiver, a much larger portion of the LWIR spectrum can now be covered. One potential advantage of wide-band heterodyne receivers for effluent measurements is to dramatically reduce the number of laser lines needed to characterize and distinguish multiple chemical species of interest. In the following paper, the authors discuss this and other implications of these new technologies to the characterization of effluents using both passive heterodyne radiometry and thermo-luminescence.

News News Environmental Management System Pollution Prevention Sustainable Acquisition Electronics Stewardship Recycling Reuse Outreach Awards News About News Sandia Receives Award for Electronics Stewardship September 19, 2011 electronics stewardship award ALBUQUERQUE, N.M. - Sandia National Laboratories has received an award for reducing the environmental impacts of the computers, printers and other office electronics it uses through its fiscal year 2010 electronics stewardship activities. The U.S. Environmental Protection Agency (EPA) and the Office of the Federal Environmental Executive, which jointly manage the Federal Electronics Challenge (FEC), gave Sandia a silver award for its progress in life cycle electronics stewardship (purchasing, operations and end-of-life

The National Renewable Energy Laboratory (NREL), under the National Laboratory R&D competitive funding opportunity, is working to develop, characterize, and experimentally demonstrate a novel high-temperature receiver technology using supercritical carbon dioxide (s-CO2) directly as the heat transfer fluid (HTF). A high-temperature receiver that is compatible with s-CO2 enables a significant increase in power cycle efficiency and reduces solar-field size, thereby decreasing the installed cost of concentrating solar power (CSP) systems.

Performance of Civil Aviation Receivers during Maximum Solar Activity Events Lina DEAMBROGIO on the fields of ionosphere scintillations, solar energetic particles and on the implementation of operational the upcoming period of high solar activity. Emilien ROBERT got his PhD in 2005 and started to work on behalf

On May 3, 2013 the Department of Energy’s National Energy Technology Laboratory (NETL) received an award for its role in a joint project that helped develop what is now Schlumberger’s Slider product line. The Lab was recognized for the project's contributions to directional drilling.

......intermediate storage would then...formulations, and storage of intermediate...Department of Energy Contract W-7405-ENG-48...media at high frequencies, Bull. seism...and receiver responses for constant...corresponds to unit energy flux in the...Computation and storage can both be...independent of frequency for elastic......

The Integrated Solar Upper Stage (ISUS), or solar bimodal stage provides both propulsive thrust for efficient orbital transfer(s) and electrical power generation for the spacecraft. The combined propulsive and power systems allow the solar bimodal system to effectively compete for a variety of missions. Once on station, thermionic converters are used to supply continuous electrical power to the satellite, even during periods when the spacecraft is in the Earth`s shadow. The key to continuous power supply is thermal energy storage. The ISUS propulsion system also benefits through the use of thermal storage. By utilizing a graphite receiver, large amounts of sensible heat can be stored for later power generation. Waste heat is radiated to space through the use of heat pipes. Clearly, the graphite mass must be minimized without sacrificing electrical power capability. Voltage and current characteristics are carefully designed to operate within acceptable ranges. The detailed design of the receiver/absorber/converter (RAC) power system must meet these requirements with as little impact to the remainder of the bimodal system as possible. This paper addresses the key design considerations of a solar bimodal receiver as a power plant. Factors including the thermal storage and heat transfer from the graphite receiver to the thermionic converters, the support structures, electrical insulation and converter string design will be discussed.

Sample records for 725-2889 wackenhut receives from the National Library of Energy Beta (NLEBeta)

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-board interference detection and monitoring. Types of interference considered include coherent CW and broadband in the operating environment of a GPS receiver, can surreptitiously degrade accuracy, and thereby compromise early detection of the presence of RF interference. Previous approaches to GPS integrity monitoring

interest in green communication techniques which aim to design energy efficient communication networks. The concept of green communications encompasses the whole of wireless communication life cycle, includingPublished in IET Communications Received on 14th February 2013 Revised on 21st May 2013 Accepted

Pollution Prevention Awardees Pollution Prevention Awardees Los Alamos National Laboratory employees receive Pollution Prevention Awards Nearly 400 employees on 47 teams received Pollution Prevention awards for protecting the environment and saving taxpayers more than $8 million. April 23, 2013 Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Molten plutonium in a crucible. The improved processing of old plutonium generates less than half of the waste of the former process. Contact Steve Sandoval Communications Office (505) 665-9206 Email The Pollution Prevention Awards are the result of people taking the initiative to improve their own operations. Protecting environment, saving taxpayer dollars LOS ALAMOS, N.M., April 23, 2013-Nearly 400 Los Alamos National

Chemical Scientist Hendrik Bluhm Chemical Scientist Hendrik Bluhm Receives Bessel Research Award Chemical Scientist Hendrik Bluhm Receives Bessel Research Award Print Friday, 24 May 2013 00:00 Hendrik Bluhm of the Lab's Chemical Sciences Division is the recipient of the Friedrich Wilhelm Bessel Research award, bestowed by Germany's Alexander von Humboldt Foundation. Award winners are honored for their outstanding research record and invited to spend a period of up to one year cooperating on a long-term research project with specialist colleagues at a research institution in Germany. Bluhm works on beamline 11.0.2 at the Advanced Light Source, investigating solid/vapor and liquid/vapor interfaces under realistic conditions of pressure and temperature, using photoelectron spectroscopy and scanning probe microscopy

23, 2008 23, 2008 NETL Researchers Receive Four Patents in 2007 Inventions Benefit Combustion, Fuel Cell Fossil Energy Systems Morgantown, W.Va.- Researchers at the National Energy Technology Laboratory (NETL) received four patents in 2007 to improve the performance of combustion and fuel cell systems while capturing a variety of components from flue gas, including the greenhouse gas carbon dioxide (CO2). "Each year, the corollary to the research efforts in the Department of Energy's national laboratories is the award of patents that take us one step closer to achieving national goals for clean, secure, and affordable energy," said NETL Director Carl Bauer. "This year, patents issued to NETL researchers will bolster the performance of the nation's combustion and fuel cell systems, while improving the prospects for capturing CO2 and other gases."

Abstract For design and component specification of a Linear Fresnel Collector (LFC) cavity receiver, the prediction of temperature distribution and heat loss is of great importance. In this paper we present a sensitivity analysis for a range of geometry and material parameters. For the LFC receiver analysis we use two models developed at Fraunhofer ISE. One is a detailed model, combining the spatial distribution of reflected radiation via ray tracing with detailed convective simulations through computational fluid dynamics. The second one is a fast algorithm based on a thermal resistance model. It is applying a similar methodology as the well-known model for vacuum absorber, enhancing an absorber tube model by parameters describing the influence of the secondary mirror and cover glass. The thermal resistance model is described in detail. Obtained results indicate a significant effect of the secondary mirror temperature on heat loss for specific geometries.

This report is part of the evaluation work carried out at Ecole Centrale on central receiver plants. The THEMIS collector subsystem is evaluated with emphasis given to the energy performance problems. The collector subsystem, the heliostat, and the operation modes are described. The mechanisms which contribute to the energy losses of the collector subsystem are discussed individually. Heliostat availability, reflectivity, geometrical effects (mirror shadowing and blocking, cosine factor, tower shadowing), beam focusing quality, beam pointing, spillage, propagation losses in the atmosphere between the mirrors and the receiver are successively evaluated. The overall collector efficiency is then estimated from two different points of view. The theoretical performance showing the physical limitation of the system, and the actual performance based on real experimental results, are separately discussed. The electricity consumption of the heliostat field is examined for plant parasitics analysis. The maintenance problems and the lessons learned on hardware behavior at the THEMIS site are also discussed. 19 refs., 7 figs.; 24 tabs.

The Central Receiver Test Facility (CRTF) operated for the Department of Energy by Sandia Laboratories in Albuquerque, NM was constructed for the purpose of evaluating solar central receiver design concepts. At this facility working experience with the CRTF heliostat field has been gained and an extensive heliostat evaluation capability has evolved. Valuable information has been gained at the CRTF that will help in the future design and specification of heliostats. This paper summarizes the work that led to the current state of heliostat evaluation capability and includes a description of the CRTF heliostat, measurements of environmental degradation of mirror reflectance, heliostat beam measurements with an instrumented sweeping bar, beam quality and tracking accuracy data obtained with the newly developed Beam Characterization System (BCS) and comparisons of measured beam data with the heliostat computer model HELIOS.

We present a quantum receiver for 16-QAM signals discrimination with hybrid structure containing a homodyne receiver and a displacement receiver, which can outperform the SQL, and the performance can be improved by an optimized displacement.

Sandia has developed a third-generation set of specifications for performance and reliability testing of photovoltaic concentrator modules. Several new requirements have been defined. The primary purpose of the tests is to screen new concentrator designs and new production runs for susceptibility to known failure mechanisms. Ultraviolet radiation testing of materials precedes receiver section and module performance and environmental tests. The specifications include the purpose, procedure, and requirements for each test. Recommendations for future improvements are presented.

) Robert DeOtte ember) ~ Jolte Pineda Gyvez (Me r) Alt n Patton (Head o Department) August 1993 ABSTRACT A Wireless Volume Control Receiver for Hearing Aids. (August 1993) Alexander Herve Reyes, B. S. , Texas A&M University Chair of Advisory... Committee: Dr. Edgar Sdnchez ? Sinencio Hearing aids have been greatly improved over the past few years because of better technology and more innovative ideas. Today, these devices are smaller in size, consume less power and some can be programmed to fit...

NTP brief on BPA receives mixed peer review ... Less than 2 months after the U.S. National Toxicology Program (NTP) released its much-awaited draft brief on the human-health risks of bisphenol A (BPA), the agency’s board of scientific advisers gave the report a somewhat mixed review. ... In a meeting held on June 11, the experts agreed with NTP’s concern over some of BPA’s human-health impacts. ...

Story by Kathy Wythe tx H2O | pg. 26 Providing protection Agencies receive funding to repair, upgrade dams along with local partners, can apply for grant funds, he said. Construction of the dams began through four federal authorizations... totaling about $11 million. Of the 343 dams currently classified as high hazard, Scattered across Texas are almost 2,000 nondescript, earthen dams built on private land to protect property, roads, and bridges from flood damages. Some of these dams...

A secondary concentrator for use in receiver systems for linear focusing primary concentrators is provided with reflector wings at each end. The wings increase the capture of light rays reflected from areas adjacent the rim of a primary concentrator, increasing the apparent aperture size of the absorber as viewed from the rim of the primary concentrator. The length, tilt, and curvature of the wing reflectors can be adjusted to provide an absorber having a desired aperture aspect.

Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Chair of Committee, Edgar Sánchez-Sinencio Committee Members, Jose Silva-Martinez Laszlo Bela..., M.S., Tehran University Chair of Advisory Committee: Dr. Edgar Sánchez-Sinencio Because of the unique architecture of wireless receivers, a designer must understand both the high frequency aspects as well as the low-frequency analog...

B-modes in the cosmic microwave background (CMB) polarization is a smoking gun signature of the inflationary universe. To achieve better sensitivity to this faint signal, CMB polarization experiments aim to maximize the number of detector elements, resulting in a large focal plane receiver. Detector calibration of the polarization response becomes essential. It is extremely useful to be able to calibrate 'simultaneously' all detectors on the large focal plane. We developed a novel calibration system that rotates a large 'sparse' grid of metal wires, in front of and fully covering the field of view of the focal plane receiver. Polarized radiation is created via the reflection of ambient temperature from the wire surface. Since the detector has a finite beam size, the observed signal is smeared according to the beam property. The resulting smeared polarized radiation has a reasonable intensity (a few Kelvin or less) compared to the sky temperature ({approx}10 K observing condition). The system played a successful role for receiver calibration of QUIET, a CMB polarization experiment located in the Atacama desert in Chile. The successful performance revealed that this system is applicable to other experiments based on different technologies, e.g. TES bolometers.

This invention is an improved solar energy cavity receiver for exposing materials and components to high temperatures. The receiver includes a housing having an internal reflective surface defining a cavity and having an inlet for admitting solar radiation thereto. A photothermal absorber is positioned in the cavity to receive radiation from the inlet. A reflective baffle is positioned between the absorber and the inlet to severely restrict the re-radiation of energy through the inlet. The front surface of the baffle defines a narrow annulus with the internal reflective surface of the housing. The front surface of the baffle is contoured to reflect incoming radiation onto the internal surface of the housing, from which it is reflected through the annulus and onto the front surface of the absorber. The back surface of the baffle intercepts infrared radiation from the front of the absorber. With this arrangement, a high percentage of the solar power input is retained in the cavity; thus, high internal temperatures are attained.

Sample records for 725-2889 wackenhut receives from the National Library of Energy Beta (NLEBeta)

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This fact sheet describes a project awarded under the DOE's 2012 SunShot Concentrating Solar Power R&D award program. The team, led by Brayton Energy, aims to develop and demonstrate a low-cost, high-efficiency solar receiver that is compatible with s-CO2 cycles and modern thermal storage subsystems. Supercritical CO2 Brayton-cycle engines have the potential to increase conversion efficiency to more than 50%. This high conversion efficiency drives down the cost of the supporting solar field, tower, and thermal storage systems, which could significantly reduce the lifetime costs of a CSP system to achieve the SunShot goal.

This report describes the design, construction, and testing of a solar central receiver using molten nitrate salt as a heat exchange fluid. Design studies for large commercial plants (30--100 MWe) have shown molten salt to be an excellent fluid for solar thermal plants as it allows for efficient thermal storage. Plant design studies concluded that an advanced receiver test was required to address uncertainties not covered in prior receiver tests. This recommendation led to the current test program managed by Sandia National Laboratories for the US Department of Energy. The 4.5 MWt receiver is installed at Sandia National Laboratories' Central Receiver Test Facility in Albuquerque, New Mexico. The receiver incorporates features of large commercial receiver designs. This report describes the receiver's configuration, heat absorption surface (design and sizing), the structure and supporting systems, and the methods for control. The receiver was solar tested during a six-month period at the Central Receiver Test Facility in Albuquerque, NM. The purpose of the testing was to characterize the operational capabilities of the receiver under a number of solar operating and stand-by conditions. This testing consisted of initial check-out of the systems, followed by steady-state performance, transient receiver operation, receiver operation in clouds, receiver thermal loss testing, receiver start-up operation, and overnight thermal conditioning tests. This report describes the design, fabrication, and results of testing of the receiver.

Solid particle receivers have the potential to provide high-temperature heat for advanced power cycles, thermochemical processes, and thermal storage via direct particle absorption of concentrated solar energy. This paper presents two different models to evaluate the performance of these systems. One model is a detailed computational fluid dynamics model using FLUENT that includes irradiation from the concentrated solar flux, two-band re-radiation and emission within the cavity, discrete-phase particle transport and heat transfer, gas-phase convection, wall conduction, and radiative and convective heat losses. The second model is an easy-to-use and fast simulation code using Matlab that includes solar and thermal radiation exchange between the particle curtain, cavity walls, and aperture, but neglects convection. Both models were compared to unheated particle flow tests and to on-sun heating tests. Comparisons between measured and simulated particle velocities, opacity, particle volume fractions, particle temperatures, and thermal efficiencies were found to be in good agreement. Sensitivity studies were also performed with the models to identify parameters and modifications to improve the performance of the solid particle receiver.

The FORTE payload receiver and trigger unit represent a significant advance over the currently flying BLACKBEARD payload aboard the ALEXIS satellite. Not only is the polarization sensitive antenna array massive compared to the BLACKBEARD monopole, but the event triggering scheme is completely different. Electromagnetic pulses (EWs) are dispersed when they pass through the ionosphere creating a chirped frequency signal which can be helpful in discriminating between natural and man-made signals. Payloads designed to digitize and store the RF signatures of these signals must include sophisticated triggering circuitry to select events of interest and prevent false alarms from wasting the available memory storage resources. The FORTE wideband receiver tunes from 20 to 320 MHz with eight sub-band trigger channels distributed across the 20 MHz IF bandwidth. The conditions which must be satisfied to generate an event trigger are processor controlled. Early testing of the prototype indicates an ability to reliably trigger on chirped RF signals several dB below the noise level. FORTE is scheduled to be launched with a Pegasus XL vehicle in late 1995.

The principal objective of the study is to determine if supercritical heat transport fluids in a central receiver power plant, in combination with ceramic thermocline storage systems, offer a reduction in levelized energy cost over a baseline nitrate salt concept. The baseline concept uses a nitrate salt receiver, two-tank (hot and cold) nitrate salt thermal storage, and a subcritical Rankine cycle. A total of 6 plant designs were analyzed, as follows: Plant Designation Receiver Fluid Thermal Storage Rankine Cycle Subcritical nitrate salt Nitrate salt Two tank nitrate salt Subcritical Supercritical nitrate salt Nitrate salt Two tank nitrate salt Supercritical Low temperature H2O Supercritical H2O Two tank nitrate salt Supercritical High temperature H2O Supercritical H2O Packed bed thermocline Supercritical Low temperature CO2 Supercritical CO2 Two tank nitrate salt Supercritical High temperature CO2 Supercritical CO2 Packed bed thermocline Supercritical Several conclusions have been drawn from the results of the study, as follows: 1) The use of supercritical H2O as the heat transport fluid in a packed bed thermocline is likely not a practical approach. The specific heat of the fluid is a strong function of the temperatures at values near 400 °C, and the temperature profile in the bed during a charging cycle is markedly different than the profile during a discharging cycle. 2) The use of supercritical CO2 as the heat transport fluid in a packed bed thermocline is judged to be technically feasible. Nonetheless, the high operating pressures for the supercritical fluid require the use of pressure vessels to contain the storage inventory. The unit cost of the two-tank nitrate salt system is approximately $24/kWht, while the unit cost of the high pressure thermocline system is nominally 10 times as high. 3) For the supercritical fluids, the outer crown temperatures of the receiver tubes are in the range of 700 to 800 °C. At temperatures of 700 °C and above, intermetallic compounds can precipitate between, and within, the grains of nickel alloys. The precipitation leads to an increase in tensile strength, and a decrease in ductility. Whether the proposed tube materials can provide the required low cycle fatigue life for the supercritical H2O and CO2 receivers is an open question. 4) A ranking of the plants, in descending order of technical and economic feasibility, is as follows: i) Supercritical nitrate salt and baseline nitrate salt: equal ratings ii) Low temperature supercritical H2O iii) Low temperature supercritical CO2 iv) High temperature supercritical CO2 v) High temperature supercritical H2O 5) The two-tank nitrate salt thermal storage systems are strongly preferred over the thermocline systems using supercritical heat transport fluids.

Green Zia Award for Environmental Excellence Green Zia Award for Environmental Excellence WIPP Receives Green Zia Award for Environmental Excellence August 16, 2012 - 12:00pm Addthis Media Contact Deb Gill U.S. DOE Carlsbad Field Office 575-234-7270 CARLSBAD, N.M., August 16, 2012- The Waste Isolation Pilot Plant (WIPP), the U.S. Department of Energy (DOE) facility known as the nation's only deep geologic repository for the permanent disposal of radioactive waste, was recently honored for its pollution prevention efforts for the second year in a row. The New Mexico Environment Department (NMED) recognized the DOE Carlsbad Field Office (CBFO), which provides oversight for WIPP and the National Transuranic (TRU) Program, as a Silver Level Leader in its Green Zia Environmental Leadership Program. CBFO was selected for the Bronze Level

July 24, 1997 July 24, 1997 DOE Selects Historically Black, Hispanic Universities To Receive Funding for Fossil Energy Research Projects As part of its efforts to encourage more participation by minority college students and teachers in its national energy program, the Department of Energy (DOE) has selected four coal and petroleum research projects to be carried out by student-teacher teams at historically black and minority universities in Virginia, Georgia, Maryland and New Mexico. The 1997 winning schools are: Hampton University, Hampton, VA, for research into chemical compounds that can clean sulfur pollutants from hot coal gases; Clark Atlanta University, Atlanta, GA, for a project to study novel chemicals that can aid in oil production; University of Maryland Eastern Shore, Princess Anne, MD, for studies of the spontaneous combustion of certain types of coals;

Management and Operating Contractor Management and Operating Contractor Recognized for Continuous Safety Performance CARLSBAD, N.M., September 20, 2013 - The U.S. Department of Energy (DOE) recognized Nuclear Waste Partnership LLC (NWP), the Waste Isolation Pilot Plant (WIPP) management and operating (M&O) contractor, with the Voluntary Protection Program (VPP) Legacy of Stars Award in latter August 2013. "Safety is central to everything we do, and achieving this elite designation validates our work and the safety-focused culture we strive to create," said Farok Sharif, NWP President and Project Manager, who received the award with Kevin Miller, United Steel Workers Local Bargaining Unit VPP Ombudsman, at the VPP Participants' Association National Conference

Media contacts: Media contacts: Erik Simpson (208) 360-0426 Idaho National Laboratory receives national recognition for Small Business Mentoring Program With the help of American Recovery and Reinvestment Act funds, the Idaho Cleanup Project continues work to protect the Snake River Plain Aquifer this week by injecting grout into 21 buried waste locations in the Subsurface Disposal Area (SDA) of the Radioactive Waste Management Complex (RWMC) at the Department of Energyďż˝s Idaho Site. The project will cost $8.2 million and will reduce the threat of contaminants migrating toward the aquifer by keeping water out of the waste. ďż˝Protecting the Snake River Plain Aquifer is a priority at the Idaho Site. Thanks to Recovery Act funds, this grouting work will help ensure the safety of our important natural resource,ďż˝ said Rick Provencher, manager of DOEďż˝s Idaho Operations Office.

Recovery Act funds Recovery Act funds Los Alamos National Laboratory receives Recovery Act funds Recovery Act funds will go toward environmental compliance and cleaning up Cold War-era buildings slated for demolition. July 21, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Contact Fred deSousa Communications Office

Fulbright Scholar Award Fulbright Scholar Award Climate researcher McDowell receives Fulbright Scholar Award The Fulbright Program is designed to "increase mutual understanding between the people of the United States and the people of other countries." August 31, 2010 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

The Plant Control System (PCS) is a heterogeneous computer system composed of numerous sub-systems. The PCS represents every major computer system that is used to support operation of the Waste Receiving and Processing (WRAP) facility. This document, the System Design Description (PCS SDD), includes several chapters and appendices. Each chapter is devoted to a separate PCS sub-system. Typically, each chapter includes an overview description of the system, a list of associated documents related to operation of that system, and a detailed description of relevant system features. Each appendice provides configuration information for selected PCS sub-systems. The appendices are designed as separate sections to assist in maintaining this document due to frequent changes in system configurations. This document is intended to serve as the primary reference for configuration of PCS computer systems. The use of this document is further described in the WRAP System Configuration Management Plan, WMH-350, Section 4.1.

In the field of radiowave detection, enlarging the receiver aperture to enhance the amount of light detected is essential for greater scientific achievements. One challenge in using radio transmittable apertures is keeping the detectors cool. This is because transparency to thermal radiation above the radio frequency range increases the thermal load. In shielding from thermal radiation, a general strategy is to install thermal filters in the light path between aperture and detectors. However, there is difficulty in fabricating metal mesh filters of large diameters. It is also difficult to maintain large diameter absorptive-type filters in cold because of their limited thermal conductance. A technology that maintains cold conditions while allowing larger apertures has been long-awaited. We propose radio-transparent multi-layer insulation (RT-MLI) composed from a set of stacked insulating layers. The insulator is transparent to radio frequencies, but not transparent to infrared radiation. The basic idea for cooling is similar to conventional multi-layer insulation. It leads to a reduction in thermal radiation while maintaining a uniform surface temperature. The advantage of this technique over other filter types is that no thermal links are required. As insulator material, we used foamed polystyrene; its low index of refraction makes an anti-reflection coating unnecessary. We measured the basic performance of RT-MLI to confirm that thermal loads are lowered with more layers. We also confirmed that our RT-MLI has high transmittance to radiowaves, but blocks infrared radiation. For example, RT-MLI with 12 layers has a transmittance greater than 95% (lower than 1%) below 200 GHz (above 4 THz). We demonstrated its effects in a system with absorptive-type filters, where aperture diameters were 200 mm. Low temperatures were successfully maintained for the filters. We conclude that this technology significantly enhances the cooling of radiowave receivers, and is particularly suitable for large-aperture systems. This technology is expected to be applicable to various fields, including radio astronomy, geo-environmental assessment, and radar systems.

The results are presented of those thermal hydraulic, structural, and stress analyses required to demonstrate that the Receiver design for the Barstow Solar Pilot Plant will satisfy the general design and performance requirements during the plant's design life. Recommendations resulting from those analyses and supporting test programs are presented regarding operation of the receiver. The analyses are limited to receiver subsystem major structural parts (primary tower, receiver unit core support structure), pressure parts (absorber panels, feedwater, condensate and steam piping/components, flash tank, and steam mainfold) and shielding. (LEW)

June 12, 2007 June 12, 2007 NETL Inventors Receive Patent for Sensor Technology Novel Detector Improves Performance of State-of-the-Art Gas Turbines MORGANTOWN, WV - Researchers at the U.S. Department of Energy's National Energy Technology Laboratory (NETL) have been awarded a patent for an invention that detects lean blow-off in gas turbines. The new invention represents a step toward realizing low-emission, fuel-flexible gas turbines-a step that will promote air quality and U.S. energy security by allowing power plants to operate cleanly and efficiently on domestic fuels. Many gas combustion systems, such as stationary gas turbines, operate on some form of lean premix combustion. In this method of combustion, fuel and air are mixed upstream of the combustion zone at low, or lean, fuel conditions. The temperature is kept low, which limits the formation of nitrous oxides (NOx)-pollutants which contribute to acid rain, ground-level ozone, and global warming.

The Department of Homeland Security (DHS) and the Transportation Security Administration (TSA) are interested in developing a standardized testing procedure for determining the performance of candidate detection systems. This document outlines a potential method for judging detection system performance as well as determining if combining the information from a legacy system with a new system can signiĂ?Â?Ă?Â?Ă?Â?Ă?Â?cantly improve performance. In this document, performance corresponds to the Neyman-Pearson criterion applied to the Receiver Operating Characteristic (ROC) curves of the detection systems in question. A simulation was developed to investigate how the amount of data provided by the vendor in the form of the ROC curve eĂ?Â?Ă?Â?Ă?Â?Ă?Â¤ects the performance of the combined detection system. Furthermore, the simulation also takes into account the potential eĂ?Â?Ă?Â?Ă?Â?Ă?Â¤ects of correlation and how this information can also impact the performance of the combined system.

A possible way to concentrate sun light is by using a Fresnel reflector: a large number of small mirrors (called heliostats) that mimic the behavior of a large concentrator, replacing it. These heliostats can move to track the sun, keeping its light concentrated onto the receiver. Fresnel concentrators, however, may have important losses. If the heliostats are spaced from each other, some light will miss them and be lost. If the heliostats are close to each other, they will block part of each other's reflected light, also producing losses. One possible way to minimize these losses is to intersect two focusing Fresnel concentrators forming a Compact Linear Fresnel Reflector - CLFR. Although improving on a simple focusing Fresnel concentrator, these optics are still not optimal. Here new geometries for Fresnel reflectors are explored, minimizing their losses and increasing their concentration. This is achieved by changing the overall shape of the primary, making it a wave-shaped trough surface and/or by allowing for a variable size and shape of the heliostats as a function of the position in the heliostat field. These new Fresnel concentrators may also be combined with secondaries significantly improving their total concentration, which now approaches the theoretical maximum. (author)

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A cost analysis of the 10MWe Solar One Thermal Central Receiver Plant near Barstow, California, ... is presented to help predict costs of future solar thermal central receiver plants. In this paper, the Solar One...

The Heliostat and Receiver Measurement S...ystem (HERMES) is designed to evaluate the radiant flux distribution in front of a receiver aperture plane. The results of the Fall Measurement Campaign in 1982 on the S...

In this work, novel schemes for joint remote state preparation are presented, which involve N senders and 2 receivers as well as N senders and 3 receivers. The receivers can simultaneously reconstruct different qubit states containing ... Keywords: Projective measurements, Quantum information splitting, Quantum joint remote state preparation

Moho map of South America from receiver functions and surface waves Simon Lloyd,1 Suzan van der Lee of South America north of roughly 40Â°S. To this end, we analyzed receiver functions from 20 relatively new, M. AssumpĂ§ĂŁo, and M. Feng (2010), Moho map of South America from receiver functions and surface

NEW IPA Received from the VA Processing IPAs with the VA NEW IPA Received from the VA data and contact PDRF OSR will inform DFA/Division Admin and PI that we received the IPA department for Letter of Rehire OSR will sign/return the IPA to the VA for processing DFA/DA responsibilities: OSR

-based Augmentation Systems and on Receiver Autonomous Integrity Monitoring. He holds an MS in Electrical Engineering the protection levels for the receiver position. Several tests are conducted in #12;multiple locations worldwide scholar at the Stanford GPS Laboratory. He received his Ph.D. in electrical engineering from National

Advanced Nitrate Salt Central Receiver Power Plant Advanced Nitrate Salt Central Receiver Power Plant Abengoa logo Photo of two lit towers surrounded by much smaller blue flat plates that are mounted on the ground. Commercial central receiver plant designs Abengoa, under the Baseload CSP FOA, will demonstrate a 100-megawatt electrical (MWe) central receiver plant using nitrate salt as the receiver coolant, thermal storage medium, and heat transport fluid in the steam generator. Approach The plan is to operate the plant at full load for 6,400 hours each year using only solar energy. Abengoa is working to create a team of suppliers capable of deploying a commercially ready nitrate salt central receiver technology that can be competitive in the current power marketplace. Innovation Abengoa is developing a new molten-salt power tower technology with a surround heliostat field. Key components include:

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In order to determine if a statistically significant difference exists between shipper and receiver measurements, a statistical combination of the shipper's and receiver's limit-of-error (LOE) is calculated to determine the shipper/receiver limit-of-error, LOES/R. The shipper's and receiver's LOE may possess random and systematic components. Depending on the interpretation of the systematic and random components, the determination of the LOES/R can be performed by several different calculational methods. These calculational methods and their associated underlying assumptions are reviewed in the context of the LANL shipper receiver program. This paper, by presenting the assumptions that form the basis of a site-specific shipper/receiver difference calculation, can assist those individuals responsible for calculating LOES/R.

Abstract Heat loss from receivers of solar collectors is a major reason for drop in their efficiency. Receiver pipes enclosed in glass tubes with evacuated annulus show considerable reduction in heat losses. However, manufacturing and maintenance costs for such receivers are high. An inexpensive alternative is a similar receiver with non-evacuated annulus. This paper presents a numerical study of heat loss from a non-evacuated receiver typically used in parabolic trough collectors, generating moderate temperatures and designed particularly for process heat applications. In order to come closer to the realistic situation, rather than assuming uniform temperature distribution on it, receiver pipe temperature has been assumed to be varying along the surface. Sinusoidal and square wave functions are employed in modeling, since actual temperature distributions on solar receiver pipes are combinations of these two functions. Main goal of the paper is to optimize the design of the non-evacuated solar receiver for minimum heat loss, by using CFD technique. Also effects on heat loss from receivers due to different parameters like average temperature (Ta) of the pipe, non-uniformity in the temperature (?) along its surface, hour angle (?), denoting position of the sun in the sky and radius ratio (RR) of radius of receiver pipe to that of outer glass tube have been studied. It is seen that as non-uniformity in temperature distribution increases in both types of temperature distribution, heat losses from receiver pipes decrease up to 10%. Also as hour angle increases from 0° to 90°, heat loss decreases by 20% in case of sinusoidal temperature distribution and 24% in case of square wave temperature distribution. The effect of radius ratio (RR) on heat loss has been studied. In present study, we found out that 1.375 is critical radius ratio for which heat losses from receiver are minimum

The vacuum solar receiver is the key component of a parabolic trough solar plant, which plays a prominent role in the gross system efficiency. Recently, China's first high temperature vacuum receiver, Sanle-3 HCE, has been developed and produced by Southeast University and Sanle Electronic Group. Before being utilized in China's first parabolic trough solar plant, accurately estimating the thermal properties of this new receiver is important. This paper first establishes and optimizes a 1-D theoretical model at Matlab program to compute the receiver's major heat loss through glass envelope, and then systematically analyzes the major influence factors of heat loss. With the laboratorial steady state test stand, the heat losses of both good vacuum and non-vacuum Sanle-3 receivers were surveyed. Comparison shows the original 1-D model agrees with the ends covered test while remarkably deviating from end exposed test. For the purpose of identifying the influence of receiver's end to total heat loss, an additional 3-D model is built by CFD software to further investigate the different heat transfer processes of receiver's end components. The 3-D end model is verified by heating power and IR temperature distribution images in the test. Combining the optimized 1-D model with the new 3-D end model, the comparison with test data shows a good accordance. At the same time the heat loss curve and emittance curve of this new receiver are given and compared with those of several other existing receivers as references. (author)

a scale model of a Brayton cycle solar electric plant receiver. The program span from initiation of design and transients; and demonstrations of solar load following. Design thermal efficiency predictions were achieved in high temperature, gas cooled, solar central receiver concepts under direction of the Electric Power

Receiver functions in the western United States, with implications for upper mantle structure for Research in Environmental Sciences and Department of Geological Sciences, University of Colorado, Boulder, Colorado, USA Received 12 September 2001; revised 13 September 2002; accepted 18 December 2002; published 2

Most bomb threats are received by phone. Bomb threats are serious until proven otherwise. Act quickly, but remain calm and obtain information with the checklist on this card. BOMB THREAT CALL PROCEDURE If a bomb threat is received by phone: Remain calm. Keep the caller on the line for as long

Receiver Proďż˝ cessing (SRP), that generates a signal to the receivďż˝ ing process when a packet arrives and is correctly charged. Therefore, SRP allows the system to enforce and honor QoS guarantees. SRP offers several advantages over Lazy Receiver Processing (LRP), a previous solution to BSD's scheduling anomalies: SRP

Green's function retrieval from reflection data, in absence of a receiver at the virtual source; accepted 6 March 2014) The methodology of Green's function retrieval by cross-correlation has led to many, a virtual source is created at the position of a receiver. Here a method is discussed for Green's function

networks with implantable devices, challenge the conventional assumption that the energy received fromConstrained Codes for Joint Energy and Information Transfer with Receiver Energy Utilization are simultaneously used both for information transmission and for energy transfer. In order to satisfy

and is a past president of the ION. Kristine M. Larson received a B.A. in Engineering Sciences from Harvard Bilich*, Penina Axelrad and Kristine M. Larson University of Colorado, Dept. of Aerospace Engineering received her B.S. in geophysics (1999) from the University of Texas and Ph.D. in aerospace engineering

Geospace Mission Definition Team. ABSTRACT A 12-channel real-time GPS software receiver has been tested code (MMX). This upgrade provides a 25% increases in processing speed. Another aspect that is discussed is the use of 1-bit RF front end data and the related speed- up. The software receiver is tested under static

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Laboratory. He received his Ph. D in electrical engineering from National Cheng Kung University, Taiwan system security and integrity. He received the Ph.D. degree in Aeronautics and Astronautics from Stanford in the School of Engineering. He directs the Stanford GPS Laboratory, which develops satellite navigation

January 23, 2007: WIPP receives first shipment of waste January 23, 2007: WIPP receives first shipment of waste January 23, 2007: WIPP receives first shipment of waste January 23, 2007: WIPP receives first shipment of waste January 23, 2007 The Department's Waste Isolation Pilot Plant (WIPP) near Carlsbad, New Mexico, receives (pdf) its first shipment of remote-handled (RH) transuranic (TRU) radioactive waste. The waste, which consisted of three 30-gallon drums of radioactive debris waste and originated at DOE's Idaho National Laboratory, was transported inside a shielded RH-72B shipping cask, providing the same low radiation levels as the contact-handled (CH) TRU wastes that have been shipped to WIPP since 1999. "This first shipment of RH-TRU waste is particularly significant to DOE," notes DOE Assistant

Local graduate receives ... Local graduate receives ... Local graduate receives B&W four-year scholarship Posted: September 5, 2013 - 4:02pm Babcock & Wilcox recently announced the 2013 B&W Scholarship recipients, and Deputy General Manager of Operations Dave Richardson (left in photo) was on hand at Y-12's New Hope Center to congratulate Bearden High School graduate Sheri Cunningham (center). Cunningham is the daughter of B&W Y-12 engineer Penny Cunningham (right in photo). Scholarships were awarded based on academic achievement, Scholastic Aptitude Test or American College Test scores, financial need and the relevance of the student's course of study to the company's business. Cunningham will receive $1,500 per year for up to four years of college-level study. Her application was one of more than 100 received and

Agency Responses to Comments Received during the 2011 Alaska Forum Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment Environmental Justice Interagency Working Group Community Dialogue Anchorage, AK February 7-11, 2011 The EJ IWG conducted 18 community dialogues across the country from February 2011 to November 2011. Comments and concerns of the community were recorded at each meeting. The IWG's commitment was that its agency partners would provide responses to communities about the concerns that were raised during these meetings. Agency Responses to Comments Received during the 2011 Alaska Forum on the Environment More Documents & Publications

Receives $57.2 Million in Revenue Sharing Agreement Receives $57.2 Million in Revenue Sharing Agreement DOE Receives $57.2 Million in Revenue Sharing Agreement February 3, 2009 - 12:00pm Addthis Washington, D.C. -- The U. S. Department of Energy (DOE) has received a payment of $57.2 million from the Dakota Gasification Company (DGC), a subsidiary of Basin Electric Power Generation, pursuant to the revenue sharing provision of an Asset Purchase Agreement among DOE, DGC and Basin. The current payment of $57.2 million brings the total to $380 million of revenue sharing payments DOE has received from the sale of synthetic natural gas produced from the Great Plains Synfuels Plant. The Great Plains Synfuels Plant has been successfully operated for more than 20 years and has brought significant opportunities to study and benefit from the

Our approach concerning the development of hard target return CO{sub 2} DIAL transmitter/receiver systems is two phased- (i) through analysis and experiment, develop a fundamental understanding of the transmitter/receiver physics specific to DIAL systems and (ii) apply these fundamentals in the development of optimal performance DIAL transmitter/receiver systems. We present our progress and results towards these objectives with the following topics addressed: A general overview of the DIAL transmitter/receiver system characterization effort with a focus on transceiver noise processes. The effects of correlated noise on DIAL performance, especially those effecting statistical convergence over long sample structures, is , introduced. And, preliminary measurements of a low-noise, ``white`` receiver prototype are presented.

Abstract SkyFuel has investigated the stresses and deformations occurring in parabolic trough receivers operating at temperatures above 425 °C. Operating at these temperatures allows for direct molten salt storage and higher efficiency conversion from thermal to electric energy. However, at these temperatures, the typical stainless steels used in receiver construction are susceptible to chromium carbide precipitation. After the precipitation has occurred, the steel is vulnerable to intergranular corrosion, and the fatigue strength of the steel is reduced. Corrosion increases the stresses in the receiver walls, and the reduced fatigue strength lowers the stress limit where failure will occur. This paper presents the results of an analysis of these stresses and an evaluation of the receiver material at these operating temperatures. It is shown that parabolic trough receivers can be designed to mitigate the negative effects of chromium carbide precipitation and operate above 425 °C without risk of premature failure.

The feasibility of competitive, modular bulk electric power from the sun is enhanced by the use of a reflux heat-pipe receiver to combine a Stirling engine with a paraboloidal dish concentrator. This combination represents a potential improvement over previous successful demonstrations of Stirling dish-electric technology in terms of enhanced performance, lower cost, and longer life. In the reflux (i.e. gravity assisted) heat-pipe receiver, concentrated solar radiation causes liquid sodium to evaporate, the vapor flows to the Stirling engine heaters where it condenses on the heater tubes. The condensate is returned to and distributed over the receiver by gravity (refluxing) and by capillary forces in a wick lining the receiver. It is essentially an adaptation of sodium heat pipe technology to the peculiar requirements of concentrated solar flux and provides many potential advantages over conventional tube receiver technology. This paper describes the preliminary design of a reflux heat-pipe solar receiver to match the STM4-120 variable swashplate Stirling engine to a Test Bed Concentrator at Sandia National Laboratories Distributed Receiver Test Facility. Performance analysis and other design considerations are presented and discussed.

A suction-recirculation device for stabilizing the flow of a curtain of blackened heat absorption particles falling inside of a solar receiver with an open aperture. The curtain of particles absorbs the concentrated heat from a solar mirror array reflected up to the receiver on a solar power tower. External winds entering the receiver at an oblique angle can destabilize the particle curtain and eject particles. A fan and ductwork is located behind the back wall of the receiver and sucks air out through an array of small holes in the back wall. Any entrained particles are separated out by a conventional cyclone device. Then, the air is recirculated back to the top of the receiver by injecting the recycled air through an array of small holes in the receiver's ceiling and upper aperture front wall. Since internal air is recirculated, heat losses are minimized and high receiver efficiency is maintained. Suction-recirculation velocities in the range of 1-5 m/s are sufficient to stabilize the particle curtain against external wind speeds in excess of 10 m/s.

The invention includes a means and method for transmitting and receiving broadband, unipolar, ultrasonic pulses for ultrasonic inspection. The method comprises generating a generally unipolar ultrasonic stress pulse from a low impedance voltage pulse transmitter along a low impedance electrical pathway to an ultrasonic transducer, and receiving the reflected echo of the pulse by the transducer, converting it to a voltage signal, and passing it through a high impedance electrical pathway to an output. The means utilizes electrical components according to the method. The means and method allow a single transducer to be used in a pulse/echo mode, and facilitates alternatingly transmitting and receiving the broadband, unipolar, ultrasonic pulses. 25 figures.

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As a student at Ramapo College of New Jersey in the environmental program, I have been evaluating the DSEIS for the re-licensing of Indian Point. When the EIS was generated in the late 1990’s to begin the re-licensing process for Indian Point 2 and 3, there was no evaluation included in the document on the visual impacts the facility posed to the surrounding view shed. This includes the construction of the proposed cooling tower. The Indian Point facility is visible from several different elevations and vantage points along the Hudson River Valley, posing different impacts to the communities of varying income and minority populations surrounding Indian Point. In 1975 a study was done by Grant R. Jones evaluating the visual impacts of various cooling tower options at Indian Point Nuclear Facility. This study looked at the visual impacts from the proposed cooling tower, including the height of the concrete structure and varying size and thickness of the moisture plume produced. Both of these elements can be impacted with changes in weather and wind patterns. The study concluded that the construction of a cooling tower at Indian Point would have an even greater adverse affect on the view shed than the facility itself already posses (Jones, Ady & Gray, 1979). The mayor of the Village of Buchanan also expressed his

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......whole idea of impacts, who worked with NASA on the Apollo landings and had since played a major part in gaining acceptance for...an insider's account, that illustrates how asteroid and comet research has changed over some very interesting decades. Sue......

...University of Illinois College of...The Best Plant Book Ever...Living with Plants. George...9.95. Chemical and Biochemical...seminar, Madison, Wis...Wisconsin at Madison. Clinical...Whole Life of Plants. Kenneth...Carcinogenic Risk of Chemicals to Man...Steven Dow. Arco...

...of glacier ice is a relatively new aspect of glaciology that was stimulated by the retrieval of long ice cores from Camp Century in Green-land. Because seasonal variations in the physical characteristics of glacier ice diminish with depth, glaciologists...

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...Sais-Je? No. 1300. Issues in Urban Economics. Based on papers presented at a conference by the Committee on Urban Economics of Re-sources for the Future...7.50. Selected Papers on Desalination and Ocean Technology. Sumner N...

...illus. $61. Development of Fishes of the Mid-Atlantic Bight. An Atlas of Egg, Larval and Juvenile The "PeaksA tellthe...vol. 85. The Hodges Ruin. A Hohokam Community in the Tucson Basin. Isabel T. Kelly with the collaboration ofJames E. Officer...

...fractions.) * If you have an empty refrigerator for holding a fraction collector...correla-tion? Just add a single module. Modular design and built-in computation capabilities...now. 3 And, you can be confident the modular "building-block" design will let...

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...application of numerical models to the study of cloud...three-dimensional model to understand the...Wilhelmson attempt to model a particu-lar storm...op-posed to flash floods in southern France...Electrical Properties of Polymers. Donald A. Seanor...15. Workshop on Software in High-Energy...

...complex, that simple models will not be successful...safety issues, such as flood control, water supply...Development of Computer Software. Part 2, Standards...a I :-1 L Stochastc Models, Estimation and Control...vol. 19. Styrene Polymers. Technology and Envi-ronmental...

...95. Dynamical Systems II. Proceedings...Enough? An Optimistic Assessment of World Energy...95. The Power of Steam. An Illustrated History of the World's Steam Age. Asa Briggs...pp. $15.95. Tools of the Mind. Techniques...Biomembranes. Model Systems and Reconstitution...

...and University of Kansas, Lawrence, 1983. xxvi...Community at the Schultz Site 20SA2 in the Saginaw...1982. The Wheeler's Site. A Specialized Shellfish...Morain. Decentralizing Electricity Production. Howard J. Brown...

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...Plant Virus Names. An Annotated List of Names and Synonyms...recalibrate it to change flow rates...Engineering, North Sarolina State...The-ory. Vol. 2. Kenneth W...some of their names on request...illustrated by M. Ross-Mac-donald...

...Lauded by experts! "The teachers in the District ofColumbia Schools and the school librarians...Department of Science Public Schools of the District of Columbia I am an enthusiastic user...the need for buying another complete heating unit... Holds test tubes from 6mm...

DOE Lab Receives Award for Work on Drilling Technology DOE Lab Receives Award for Work on Drilling Technology DOE Lab Receives Award for Work on Drilling Technology June 13, 2013 - 11:52am Addthis DOE Lab Receives Award for Work on Drilling Technology Directional drilling - the drilling of non-vertical wells that helped make the development of shale gas possible -- will continue to play a key role in energy development, and so will the technologies that make it possible. The benefits of directional drilling are tremendous. Think cleaner, cheaper electricity; local economy booms; and decreased dependence on foreign energy. The unconventional oil and gas resources that can be tapped through directional drilling benefit consumers, businesses, and even the transportation sector. So being recognized as an innovator in this area is

Receives Responses on the Implementation of Large-Capacity Receives Responses on the Implementation of Large-Capacity Clothes Washer Waivers DOE Receives Responses on the Implementation of Large-Capacity Clothes Washer Waivers December 8, 2010 - 11:02am Addthis The Department last week invited interested parties to submit views on the proper application of waivers establishing alternative test procedures for existing large-capacity residential clothes washer models and units. We received responses from several parties, which can be found below. Alliance Laundry Systems EarthJustice Electrolux GE Appliances and Lighting LG Electronics Whirlpool Corporation The Department is currently reviewing these responses and will promptly make public its conclusions. Addthis Related Articles DOE Solicits Views on the Implementation of Large-Capacity Clothes Washer

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Persons Who Received the DC PSC's Emergency Petition and Complaint Persons Who Received the DC PSC's Emergency Petition and Complaint via E-mail on August 24, 2005 Persons Who Received the DC PSC's Emergency Petition and Complaint via E-mail on August 24, 2005 Docket No. EO-05-01: In response to your August 29, 2005 letter, attached please find a list of all entities and organizations to whom we served the District of Columbia Public Service Commission's (HOC PSC") Petition and Complaint filed on August 24, 2005, in the above-referenced proceeding. In addition, attached is the Federal Energy Regulatory Conmlission ("FERC") service list which contains some additional entities that have intervened before the FERC and that have apparently viewed the DC PSC's Petition and Complaint. Persons Who Received the DC PSC's Emergency Petition and Complaint via

69 Early Career Scientists to Receive up to 69 Early Career Scientists to Receive up to $85 Million in Funding to Support Research Secretary Chu Announces 69 Early Career Scientists to Receive up to $85 Million in Funding to Support Research January 14, 2010 - 12:00am Addthis Washington, DC - Underscoring the Obama Administration's commitment to investing in innovation and research, U.S. Department of Energy Secretary Steven Chu today announced that 69 scientists from across the nation will receive up to $85 million in funding under the American Recovery and Reinvestment Act for five-year research grants as part of DOE's new Early Career Research Program. The new effort is designed to bolster the nation's scientific workforce by providing support to exceptional researchers during the crucial early career years, when many scientists do

Long Length Contaminated Equipment Removal System Receiver Trailers and Transport Trailers require identification and control for the design, requirements and operations baseline documents. This plan serves as those controls for the subject trailers.

Long Length Contaminated Equipment Removal System Receiver Trailer and Transport Trailer require a configuration management plan for design, requirements and operations baseline documents. This report serves as the plan for the Trailers.

NASA is developing technology for 64 64-ary PPM using relatively large PPM time slots (10 ns) an and relatively simple d electronic electronic-based receiver logic. In this paper we describe photonic photonics-based receiver options for the case of much higher data rates and inherently shorter decision times. The receivers take the form of virtual ( array or quadrant) arrays with associated comparison tests. Previously we explored this concept for 4-ary and 16-ary PPM at data rates of up to 10 Gb/s. The lessons learned are applied to the case of 64 64-ary PPM at 1.25 Gb/s s. Various receiver designs are compare, and t the optimum design, based on virtual array he arrays, is s, evaluated using numerical simulations.

Modern parabolic trough solar collectors operated at high temperatures to provide the heat input to Rankine steam power cycles employ evacuated receiver tubes along the collector focal line. High performance is achieved via the use of a selective surface with a high absorptance for incoming short-wave solar radiation and a low emittance for outgoing long-wave infrared radiation, as well as the use of a hard vacuum to essentially eliminate convective and conductive heat losses. This paper describes a new method that determines receiver overall optical efficiency by exposing a fluid-filled, pre-cooled receiver to one sun outdoors and measuring the slope of the temperature curve at the point where the receiver temperature passes the glass envelope temperature (that is, the point at which there is no heat gain or loss from the absorber). This transient test method offers the potential advantages of simplicity, high accuracy, and the use of the actual solar spectrum.

Because of the huge bandwidth of Ultra-Wideband (UWB) systems, in-band narrowband interference may hinder receiver performance. In this dissertation, sources of potential narrowband interference that lie within the IEEE 802.15.3a UWB bandwidth...

and Interfraternity Council (second time in three years!). Jeff Williams and Seung Ra received the Karin & Robert J at OSU though the OSU Study Abroad Committee. #12;Left to right: Jeff Williams, Seung Ra, Suzanne

and Interfraternity Council (second time in three years!). Jeff Williams and Seung Ra received the Karin & Robert J. Left to right: Jeff Williams, Seung Ra, Suzanne Bilbeisi, Anne Presley, and Moh'd Bilbeisi. Paolo Sanza

In this study, we present a method for the joint inversion of receiver function and ambient noise based on Bayesian inverse theory (Tarantola, 1987, 2005). The nonlinear inversion method of the complex spectrum ratio of ...

The use of central receiver system (CRS) for electricity production promises to be one of the most viable options to replace fossil fuel power plants. Indeed, research and development activities on its basic subsystems have been booming rapidly since 1980s. This paper reviews the most important studies on the major components of central receiver solar thermal power plants including the heliostat field, the solar receiver and the power conversion system. After an overview of Concentrating Solar Power (CSP) technology, current status and applications of the \\{CRSs\\} are highlighted. Next, a detailed literature survey of existing design comprising optical, thermal and thermodynamic analysis, and techniques used to assess components have been arranged. This is followed by experimental investigations in which design concepts are established. The last section contains recent subsequent improvement of such key components as heliostat, receiver and hybrid solar gas turbine that are boosting in many R&D activities merging international collaboration during the past 30 years.

On Receiving the Boot: a Comic Response to Provost Hellenbrand's Essay "Time to Reboot" This essay by faculty from local and central management. This strategy must not become the norm. California must re-boot

to their receiver. The basic idea is to employ an ephemeral cryptographic key to force the eavesdropper to conduct two operations, at least one of which is non-linear, in a different order than the desired recipient

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An effective device for the collection of solar energy is the so-called parabolic-cylindrical solar collector. In this device, a circular ... high temperature receiver tube designs the rate of energy loss by comb...

Solar energy is one of the most promising energy resources on Earth and in space, because it is clean and inexhaustible. Therefore, we have been developing a solar-powered high-efficiency thermionic-thermoelectric conversion system which combines a thermionic converter (TIC) with a thermoelectric converter (TEC) to use thermal energy efficiently and to achieve high efficiency conversion. The TIC emitter must uniformly heat up to 1800 K. The TIC emitter can be heated using thermal radiation from a solar receiver maintained at a high temperature by concentrated solar irradiation. A cylindrical cavity-type solar receiver constructed from graphite was designed and heated in a vacuum by using the solar concentrator at Tohoku University. The maximum temperature of the solar receiver enclosed by a molybdenum cup reached 1965 K, which was sufficiently high to heat a TIC emitter using thermal radiation from the receiver. 4 refs., 6 figs., 1 tab.

The aim of this paper is to model the heliostat field in central receiver solar power plant ... on the vector geometry to select an individual heliostat and calculate its characteristic angles at any ... also use...

We performed the experiments on measurement of vibration amplitudes for microparticles in gas and water with laser heterodyne receiver of scattered radiation. The measured vibration amplitude values are about 20 nm.

A DUAL TONE MULTIPLE FREQUENCY RECEIVER USING A MULTIPLEXED OTA-C FILTER FREQUENCY DETECTION ARCHITECTURE A Thesis by GERALD WILLIAM GARCIA Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement... for the degree of MASTER OF SCIENCE August 1988 Major Subject: Electrical Engineering A DUAL TONE MULTIPLE FREQUENCY RECEIVER USING A MULTIPLEXED OTA-C FILTER FREQUENCY DETECTION ARCHITECTURE A Thesis by GERALD WILLIAM GARCIA Approved as to style...

To establish the policy, objectives, procedures, and responsibilities for the financial management of monies received from persons who have allegedly violated or who have violated the Department of Energy price and allocation regulations. Cancels HQ 2100.1, Financial Management of Money Received From Persons Who Have Allegedly Violated Department of Energy Regulations, dated 2-2-1981. Cancels HQ 2100.1. Canceled by DOE O 1321.140, dated 5-20-1994.

ASSESSING THE EFFECT OF STUDENTS? PERCEPTIONS ON BENEFITS RECEIVED FROM PARTICIPATION IN SERVICE-LEARNING A Thesis by TESSA MARING GOOLSBY Submitted to the Office of Graduate Studies of Texas A&M University in partial... fulfillment of the requirements for the degree of MASTER OF SCIENCE December 2009 Major Subject: Sociology ASSESSING THE EFFECT OF STUDENTS? PERCEPTIONS ON BENEFITS RECEIVED FROM PARTICIPATION IN SERVICE-LEARNING A Thesis by TESSA...

Abstract Falling solid particle receivers can enable increased working-fluid temperatures for central receiver power plants, but will need to have high thermal efficiencies. This can increase power-cycle efficiencies and reduce thermal storage costs. A previous north- facing solid particle receiver (SPR) design was estimated to have a thermal efficiency of 72.3%. This design included a large aperture (17 m x 17 m), a slight downward facing nod (20°), a high-sloping ceiling to accommodate the beam angles from the closest heliostats, and particles released near the back wall of the receiver. Receiver design modifications have been introduced to achieve a thermal efficiency of >90% as stated in the SunShot initiative. Design changes including a reduced aperture size, bottom lip on aperture, increased nod angle, deeper cavity, reduced ceiling slope angles, and more specular walls resulted in higher thermal efficiency designs. DELSOL was used to determine viable receiver dimensions, aperture sizes, and nod angles for a desired power output. The optimum receiver parameters were 10.63 m x 10.63 m aperture size, 50° nod angle, and a tower height of 194.7 m. The new aperture size had a higher concentration ratio and provided maximum incident power on the particles with minimum radiative loss. An aperture with a lip, nod angle of 50°, and extended back wall prevented buoyant hot air from leaving the receiver. A ceiling with higher reflectivity allowed more incident radiation to be reflected onto the particles rather than absorbed and thermally re-emitted.

Abstract Due to the operating temperature from 900 K to 1300 K produced by the concentrating ratio over 2000 in solar parabolic dish-engine system, the natural convection heat loss driven by the buoyancy force of air contributes an important role in the energy loss of cavity receiver. 3-D numerical simulations were performed and the results are analyzed from the novel viewpoint of field synergy principle (FSP) in order to study the heat transfer and fluid flow characteristics in natural convection heat loss of cavity receiver. The effects of geometric parameters, including the inclination angle, aperture size, aperture position and cavity geometric shape on the natural convection heat loss of cavity receiver were examined. The FSP analysis on the simulation results demonstrates that FSP can well explain the reduction mechanism for natural convection heat loss of cavity receiver because the smaller inner production of velocity vector and temperature gradient always corresponds to the lower Nusselt number occurred in the cases with lager inclination angle, smaller aperture size, lower aperture position and frustum-cylinder cavity, respectively. Therefore, the reducing natural convection heat loss attributes to the weakening synergy between velocity vector and temperature gradient. In addition, the local heat transfer performance is studied by the presented distributions of heat transferred via fluid motion, where more interesting natural convection heat loss characteristics of cavity receiver and the detailed explanations were provided. The results of this work offer benefits for the development of theory and technique about reducing natural convection heat loss of cavity receiver.

Abstract We present a design space exploration of a 5 \\{MWth\\} Small Particle Solar Receiver for solar tower power plants. This new solar receiver, developed under the support of the U.S. Department of Energy's SunShot Program, aims to volumetrically absorb concentrated solar irradiation using an air-particle mixture to drive a gas turbine or a combined cycle at much higher temperature than the state-of-the-art molten salt receivers. Among other advantages, the thermodynamic efficiency of the power block and the overall efficiency of the plant would considerably increase with this technology. The design space consists of the wall angle of the receiver, the geometry of the window (necessary to allow the solar irradiation to enter into the receiver) and the radiative properties of the walls. The constraints are based on material limits, ensuring the mechanical integrity of the quartz window, and other technical issues; though some of them are imposed via a penalty method. The design space is explored through parametric studies and a multidisciplinary approach is adopted. The aluminum oxide walls, the 45° spherical-cap window and the 45° wall- angle receiver are preferred due to their best compromise between thermal efficiency and wall temperature.

An experimental facility is designed and manufactured to measure the solar flux density distribution on a central flat receiver due to a single flat heliostat. The tracking mechanism of the heliostat is controlled by two stepping motors, one for tilt angle control and the other for azimuth angle control. A x-y traversing mechanism is also designed and mounted on a vertical central receiver plane, where the solar flux density is to be measured. A miniature solar sensor is mounted on the platform of the traversing mechanism, where it is used to measure the solar flux density distribution on the receiver surface. The sensor is connected to a data acquisition card in a host computer. The two stepping motors of the heliostat tracking mechanism and the two stepping motors of the traversing mechanism are all connected to a controller card in the same host computer. A software `TOWER` is prepared to let the heliostat track the sun, move the platform of the traversing mechanism to the points of a preselected grid, and to measure the solar flux density distribution on the receiver plane. Measurements are carried out using rectangular flat mirrors of different dimensions at several distances from the central receiver. Two types of images were identified on the receiver plane - namely, apparent (or visible) and mirror-reflected radiation images. Comparison between measurements and a mathematical model validates the mathematical model. 13 refs., 12 figs., 1 tab.

The overall, long-term objective of the Solar Central Receiver Hybrid Power System program is to identify, characterize, and ultimately demonstrate the viability and cost effectiveness of solar/fossil, steam Rankine cycle, hybrid power systems that: (1) consist of a combined solar central receiver energy source and a nonsolar energy source at a single, common site, (2) may operate in the base, intermediate, and peaking capacity modes, (3) produce the rated output independent of variations in solar insolation, (4) provide a significant savings (50% or more) in fuel consumption, and (5) produce power at the minimum possible cost in mills/kWh. It is essential that these hybrid concepts be technically feasible and economically competitive with other systems in the near to mid-term time period (1985-1990) on a commercial scale. The program objective for Phase I is to identify and conceptually characterize solar/fossil steam Rankine cycle, commercial-scale, power plant systems that are economically viable and technically feasible. This volume contains the detailed conceptual design and cost/performance estimates and an assessment of the commercial scale solar central receiver hybrid power system. (WHK)

An apparatus and method are disclosed for preventing a solar receiver utilizing a flowing coolant liquid for removing heat energy therefrom from overheating after a loss of coolant flow. Solar energy is directed to the solar receiver by a plurality of reflectors which rotate so that they direct solar energy to the receiver as the earth rotates. The apparatus disclosed includes a first storage tank for containing a first predetermined volume of the coolant and a first predetermined volume of gas at a first predetermined pressure. The first storage tank includes an inlet and outlet through which the coolant can enter and exit. The apparatus also includes a second storage tank for containing a second predetermined volume of the coolant and a second predetermined volume of the gas at a second predetermined pressure, the second storage tank having an inlet through which the coolant can enter. The first and second storage tanks are in fluid communication with each other through the solar receiver. The first and second predetermined coolant volumes, the first and second gas volumes, and the first and second predetermined pressures are chosen so that a predetermined volume of the coolant liquid at a predetermined rate profile will flow from the first storage tank through the solar receiver and into the second storage tank. Thus, in the event of a power failure so that coolant flow ceases and the solar reflectors stop rotating, a flow rate maintained by the pressure differential between the first and second storage tanks will be sufficient to maintain the coolant in the receiver below a predetermined upper temperature until the solar reflectors become defocused with respect to the solar receiver due to the earth's rotation.

An apparatus and method for preventing a solar receiver (12) utilizing a flowing coolant liquid for removing heat energy therefrom from overheating after a loss of coolant flow. Solar energy is directed to the solar receiver (12) by a plurality of reflectors (16) which rotate so that they direct solar energy to the receiver (12) as the earth rotates. The apparatus disclosed includes a first storage tank (30) for containing a first predetermined volume of the coolant and a first predetermined volume of gas at a first predetermined pressure. The first storage tank (30) includes an inlet and outlet through which the coolant can enter and exit. The apparatus also includes a second storage tank (34) for containing a second predetermined volume of the coolant and a second predetermined volume of the gas at a second predetermined pressure, the second storage tank (34) having an inlet through which the coolant can enter. The first and second storage tanks (30) and (34) are in fluid communication with each other through the solar receiver (12). The first and second predetermined coolant volumes, the first and second gas volumes, and the first and second predetermined pressures are chosen so that a predetermined volume of the coolant liquid at a predetermined rate profile will flow from the first storage tank (30) through the solar receiver (12) and into the second storage tank (34). Thus, in the event of a power failure so that coolant flow ceases and the solar reflectors (16) stop rotating, a flow rate maintained by the pressure differential between the first and second storage tanks (30) and (34) will be sufficient to maintain the coolant in the receiver (12) below a predetermined upper temperature until the solar reflectors (16) become defocused with respect to the solar receiver (12) due to the earth's rotation.

The efficient operation of a Stirling engine requires the application of a high heat flux to the relatively small area occupied by the heater head tubes. Previous attempts to couple solar energy to Stirling engines generally involved directly illuminating the heater head tubes with concentrated sunlight. In this study, operation of a 75-kW{sub t} sodium reflux pool-boiler solar receiver has been demonstrated and its performance characterized on Sandia's nominal 75-kW{sub t} parabolic-dish concentrator, using a cold-water gas-gap calorimeter to simulate Stirling engine operation. The pool boiler (and more generally liquid-metal reflux receivers) supplies heat to the engine in the form of latent heat released from condensation of the metal vapor on the heater head tubes. The advantages of the pool boiler include uniform tube temperature, leading to longer life and higher temperature available to the engine, and decoupling of the design of the solar absorber from the engine heater head. The two-phase system allows high input thermal flux, reducing the receiver size and losses, therefore improving system efficiency. The receiver thermal efficiency was about 90% when operated at full power and 800{degree}C. Stable sodium boiling was promoted by the addition of 35 equally spaced artificial cavities in the wetted absorber surface. High incipient boiling superheats following cloud transients were suppressed passively by the addition of small amounts of xenon gas to the receiver volume. Stable boiling without excessive incipient boiling superheats was observed under all operating conditions. The receiver developed a leak during performance evaluation, terminating the testing after accumulating about 50 hours on sun. The receiver design is reported here along with test results including transient operations, steady-state performance evaluation, operation at various temperatures, infrared thermography, x-ray studies of the boiling behavior, and a postmortem analysis.

The open volumetric receiver technology allows the use of air as heat transfer medium at high temperatures in solar thermal power tower plants. It combines porous ceramic ... a strictly modular receiver design. H...

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An Analysis of the Risks of a Terrorist Attack on LNG Receiving Facilities in the United States #12;An Analysis of the Risks of a Terrorist Attack on LNG Receiving Facilities in the United States 3-D Aerial View from Proposed SES LNG Receiving Facility Site to Downtown Long Beach [White line is 2

Selects Biofuels Projects to Receive up to $21 Million in Selects Biofuels Projects to Receive up to $21 Million in Funding DOE Selects Biofuels Projects to Receive up to $21 Million in Funding August 31, 2009 - 12:00am Addthis WASHINGTON, DC- U.S. Department of Energy Secretary Steven Chu announced today that up to $21 million will be made available for the selection of five projects that will develop supply systems to handle and deliver high tonnage biomass feedstocks for cellulosic biofuels production. The awards announced today are part of the department's ongoing efforts to reduce U.S. dependence on foreign oil, spur the creation of the domestic bio-industry and provide new jobs in many rural areas of the country. "Biofuels will play an important role in America's clean energy portfolio," Secretary Chu said. "These projects will allow us to decrease our

Volker Rose Receives 2012 DOE Early Career Research Program Award Volker Rose Receives 2012 DOE Early Career Research Program Award Volker Rose Volker Rose with the prototype high-resolution microscope at the APS/CNM nanoprobe beamline on APS Sector 26. Volker Rose, assistant physicist with the U.S. Department of Energy (DOE) Office of Science's Advanced Photon Source X-Ray Science Division (XSD) and the Center for Nanoscale Materials (CNM) at Argonne National Laboratory, is one of four Argonne researchers who have received 2012 Early Career Research Program awards, granted by DOE to exceptional researchers beginning their careers. "Argonne is extremely proud that four of our young researchers have been chosen for this important award," said Eric D. Isaacs, Argonne Director. "These young scientists and engineers will play a vital role in our nation's future, helping to assure that invention and innovation continue to fuel America's global competitiveness in the years to come."

DOE Selects Biofuels Projects to Receive up to $21 Million in DOE Selects Biofuels Projects to Receive up to $21 Million in Funding DOE Selects Biofuels Projects to Receive up to $21 Million in Funding August 31, 2009 - 12:00am Addthis WASHINGTON, DC- U.S. Department of Energy Secretary Steven Chu announced today that up to $21 million will be made available for the selection of five projects that will develop supply systems to handle and deliver high tonnage biomass feedstocks for cellulosic biofuels production. The awards announced today are part of the department's ongoing efforts to reduce U.S. dependence on foreign oil, spur the creation of the domestic bio-industry and provide new jobs in many rural areas of the country. "Biofuels will play an important role in America's clean energy portfolio," Secretary Chu said. "These projects will allow us to decrease our

California Team to Receive up to $122 Million for Energy Innovation California Team to Receive up to $122 Million for Energy Innovation Hub to Develop Method to Produce Fuels from Sunlight California Team to Receive up to $122 Million for Energy Innovation Hub to Develop Method to Produce Fuels from Sunlight July 22, 2010 - 12:00am Addthis Washington, D.C. - As part of a broad effort to achieve breakthrough innovations in energy production, U.S. Deputy Secretary of Energy Daniel Poneman today announced an award of up to $122 million over five years to a multidisciplinary team of top scientists to establish an Energy Innovation Hub aimed at developing revolutionary methods to generate fuels directly from sunlight. The Joint Center for Artificial Photosynthesis (JCAP), to be led by the California Institute of Technology (Cal Tech) in partnership with the U.S.

Requests received by DOE Headquarters (HQ) since December 31, 2008 Requests received by DOE Headquarters (HQ) since December 31, 2008 FOIA Request Number Subject Date Received Estimated Completion Date FOIA-2009-000002 Copies of all applications submitted to DOE under the Advanced Technology Vehicles Manufacturing Incentive Program 1/5/2009 5/29/2009 FOIA-2009-000003 Contract number that ITP currently holds and that GSA 332345/DOE RQ52-09NA28647 is replacing or re-competing 1/5/2009 Closed at HQ and transferred to the Savannah River Office on 1/16/2009 FOIA-2009-000004 Copies of all data provided to Senator Coburn in response to his request for information concerning leave usage and absenteeism at the DOE 1/5/2009 ECD is 1/30/2009. Closed on 1/26/2009 FOIA-2009-000005 Information related to the applicants for the DOE's $25

13 Early-Career Scientists Receive Top Presidential Award 13 Early-Career Scientists Receive Top Presidential Award 13 Early-Career Scientists Receive Top Presidential Award July 26, 2012 - 12:37pm Addthis The Department awardees are being recognized for their efforts in a variety of fields Ă˘Â€Â“ from advances in power electronics for the electric grid to innovations in scientific computation to new physics developments. | Photo courtesy of Argonne National Laboratory. The Department awardees are being recognized for their efforts in a variety of fields - from advances in power electronics for the electric grid to innovations in scientific computation to new physics developments. | Photo courtesy of Argonne National Laboratory. Michael Hess Michael Hess Former Digital Communications Specialist, Office of Public Affairs

3,000 Emergency Responders Receive EM Training 3,000 Emergency Responders Receive EM Training Nearly 3,000 Emergency Responders Receive EM Training February 26, 2013 - 12:00pm Addthis In a mock scenario, firefighters work with an accident victim during a Transportation Emergency Preparedness Program full field exercise In a mock scenario, firefighters work with an accident victim during a Transportation Emergency Preparedness Program full field exercise Students learn to identify labels and use instruments during a Transportation Emergency Preparedness Program class Students learn to identify labels and use instruments during a Transportation Emergency Preparedness Program class In a mock scenario, firefighters work with an accident victim during a Transportation Emergency Preparedness Program full field exercise

Receives First Repayment from Successful DryFiningÂ™ Clean Coal Receives First Repayment from Successful DryFiningÂ™ Clean Coal Power Initiative Project DOE Receives First Repayment from Successful DryFiningÂ™ Clean Coal Power Initiative Project July 6, 2011 - 1:00pm Addthis Washington, DC - The success of a U.S. Department of Energy (DOE) Clean Coal Power Initiative (CCPI) project has led to a repayment of $580,000 to U.S. taxpayers, with much more - potentially exceeding $13 million - possible in the future. Great River Energy (GRE) of Maple Grove, Minn., made the payment to the Office of Fossil Energy's National Energy Technology Laboratory (NETL) recently as part of an agreement associated with the DryFiningÂ™ CCPI project. Implemented by NETL, CCPI is a cost-shared collaboration between the Federal government and private industry aimed at stimulating investment

4 4 Comments to the U.S. Department of Energy on the Plan Presented at the March 29, 2006, Public Technical Conference on the Transmission Congestion Study Plan and Designation of National Interest Electric Transmission Corridors (NIETCs) The following material comprises comments received by the U.S. Department of Energy in response to a request at the March 29, 2006, Public Technical Conference on the Transmission Congestion Study Plan and Designation of National Interest Electric Transmission Corridors (NIETCs) held at the Hilton Garden Inn O'Hare Airport. These comments were received via e- mail to EPACT1221@hq.doe.gov. It was requested that all comments be submitted by close-of- business Friday, April 14, 2006. The U.S. Department of Energy presents the comments as received and without any endorsement

Lab receives $25,000 for Math and Science Academy Lab receives $25,000 for Math and Science Academy Lab receives $25,000 for Math and Science Academy from Chevron Energy Technology Company The program is conducted by LANL in cooperation with its regional education, business, and government partners. November 30, 2009 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

, the expansion coe?cients become the Fourier series coe?cients, hence, the receiver is referred to as the Frequency domain (FD) receiver. In each channel, the input signal is mixed with the basis signal and integrated in a window of duration Tc seconds... that cover the entire signal block provide a total of MN coe?cients R(m;n)jM?1m=0jN?1n=0 given by, Rm;n = Z mTs+Tc mTs x(t)'?n(t)dt; (1.1) where Ts = Tc ? Tov, x(t) is the received signal, m = 0 to M ? 1 indicates the mth segment in each channel and n = 0...

The University of Houston Solar Central Receiver Code System, developed over the last 15 years, is a valuable tool for use in design studies and performance assessment of central receiver heliostat fields and their interaction with the receiver. The Code System was used to design Solar One (located in Barstow, CA) and has been used in other primary design studies. This report complements the original User's Guides. The Code System has been converted to standard FORTRAN 77 and is now principally maintained on a VAX 11/785 computer system, which greatly increases its portability and makes it more widely available. The Code System has been extensively used, developed, improved, and documented to a high state of reliability, adaptability, and user friendliness. 24 figs., 5 tabs.

Portland Company to Receive $1.3 Million to Improve Hydro Power Portland Company to Receive $1.3 Million to Improve Hydro Power Technologies Portland Company to Receive $1.3 Million to Improve Hydro Power Technologies September 15, 2009 - 12:00am Addthis Washington, DC - US Energy Secretary Steven Chu today awarded more than $1.3 million to Ocean Renewable Power Company in Portland, Maine to improve the efficiency, flexibility, and environmental performance of hydroelectric energy. The investment will further the nation's supply of domestic clean hydroelectricity through technological innovation and will advance research to maximize the nation's largest renewable energy source. "Hydropower is our largest source of renewable energy and it can play an even bigger role in the further. These investments will create jobs, cut

For immediate release WIPP Receives First Remote-Handled Waste Shipment From Sandia Labs CARLSBAD, N.M., December 21, 2011 - The U.S. Department of Energy's (DOE) Waste Isolation Pilot Plant (WIPP) has received the first of eight planned defense-related remote- handled transuranic (RH-TRU) waste shipments from Sandia National Laboratories (SNL) in Albuquerque. The shipment arrived December 16 for permanent disposal in WIPP's underground repository. DOE National TRU Program Director J.R. Stroble said the shipment is significant to WIPP. "Our goal is to reduce the nation's nuclear waste footprint and we routinely receive shipments from around the country," said Stroble. "This first shipment of RH-TRU waste from

Abstract Concentrated solar power (CSP) systems use heliostats to concentrate solar radiation in order to produce high temperature heat, which drives a turbine to generate electricity. A 5 \\{MWth\\} Small Particle Solar Receiver is being developed for power tower CSP plants based on volumetric absorption by a gas-particle suspension by the support from the U.S. Department of Energy under the SunShot Initiative. The radiation enters the pressurized receiver (0.5 MPa) through a curved window, which must sustain the thermal loads from the concentrated solar flux and infrared reradiation from inside the receiver. The thermal load from the solar flux on the window is calculated by using the computer code MIRVAL from Sandia National Laboratory which uses the Monte Carlo Ray Trace (MCRT) method, along with two other codes developed by the authors. Thermal loading was calculated from energy absorbed at various points throughout the window from both the heliostat field and inside the receiver. Transmission and reflective losses were also calculated for different window materials in order to find out how much radiation will enter the receiver or will be lost. The three dimensional temperature distribution of the window is analyzed by an energy balance taking into account spectral volumetric absorption, spectral surface emission, conduction within the window, and convection from both surfaces. A maximum window temperature of 800 °C must be enforced to prevent cracking and/or devitrification due to overheating. Several grades of quartz are considered for this study with detailed spectral calculations. For a chosen material, the window temperature was found to be held under 800 °C. The results showed that most of the heat load on the window comes from the inside of receiver due to spectral variation.

...Results. Study Patients. In PEARL 1, a total of 490 patients at 71 sites in the United States underwent randomization; in PEARL 2, a total of 493 patients at 43 sites in the United States and 19 sites in Europe underwent randomization. All of these patients received one or more doses of the study drug... Two studies compared peginesatide with darbepoetin in patients with CKD and anemia who were not receiving dialysis. The agents were similar in increasing and maintaining hemoglobin levels, but more cardiovascular events and deaths were observed with peginesatide.

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New early morning and late afternoon heliostat aimpoints have been developed for the 10 MWe Solar Thermal Central Receiver Pilot Plant. These new heliostat aimpoints increase the fraction of the total receiver incident solar energy on selected panels to reduce the early morning start-up time and extend the late afternoon operating time, compared to those in current use at the Pilot Plant. Preliminary results from tests using the new morning start-up aimpoint file indicates that the winter start-up time was reduced by 30 to 45 minutes.

This volume presents the Total Estimated Cost (TEC) for the WRAP (Waste Receiving and Processing) 2A facility. The TEC is $81.9 million, including an overall project contingency of 25% and escalation of 13%, based on a 1997 construction midpoint. (The mission of WRAP 2A is to receive, process, package, certify, and ship for permanent burial at the Hanford site disposal facilities the Category 1 and 3 contact handled low-level radioactive mixed wastes that are currently in retrievable storage, and are forecast to be generated over the next 30 years by Hanford, and waste to be shipped to Hanford site from about 20 DOE sites.)

Research of advanced power cycles has shown supercritical carbon dioxide power cycles may have thermal efficiency benefits relative to steam cycles at temperatures around 500 - 700 degrees C. To realize these benefits for CSP, it is necessary to increase the maximum outlet temperature of current tower designs. Research at NREL is investigating a concept that uses high-pressure supercritical carbon dioxide as the heat transfer fluid to achieve a 650 degrees C receiver outlet temperature. At these operating conditions, creep becomes an important factor in the design of a tubular receiver and contemporary design assumptions for both solar and traditional boiler applications must be revisited and revised. This paper discusses lessons learned for high-pressure, high-temperature tubular receiver design. An analysis of a simplified receiver tube is discussed, and the results show the limiting stress mechanisms in the tube and the impact on the maximum allowable flux as design parameters vary. Results of this preliminary analysis indicate an underlying trade-off between tube thickness and the maximum allowable flux on the tube. Future work will expand the scope of design variables considered and attempt to optimize the design based on cost and performance metrics.

THE EFFECT OF RECEIVER DIVERSITY COMBINING ON OPTIMUM ENERGY ALLOCATION AND ENERGY EFFICIENCY the total energy Â· Effect of diversity combining techniques on energy efficiency and energy allocation and D.R. Brown III. The Effect of Channel State Information on Optimum Energy Allocation and Energy

Byron Price, Director of the Charles Russell Center and the OU Press to Receive Prestigious Chester -- Byron Price, director of the Charles M. Russell Center for the Study of Art of the National Cowboy & Western Heritage Museum. Price will be formally honored during

-mail: Sawat.Paitoonsurikarn@anu.edu.au Abstract In solar thermal systems, especially for high concentration need to be understood so that it can be effectively minimized in order to improve system efficiency is undertaking R&D on a 400 m2 concentrator fitted with a monotube boiler cavity receiver for superheated steam

2014 Minor In Cognitive Science 2015 To receive a minor from the Department of Cognitive Science courses to give you the best understanding of the discipline of Cognitive Science: LOWER-DIVISION REQUIREMENTS: Choose ONE from this group: Cogs 1: Introduction to Cognitive Science Cogs 3: An Introduction

2009 Minor In Cognitive Science 2010 To receive a minor from the Department of Cognitive Science courses to give you the best understanding of the discipline of Cognitive Science: LOWER-DIVISION REQUIREMENTS: Choose ONE from this group: Cogs 1: Introduction to Cognitive Science Cogs 3: An Introduction

2013 Minor In Cognitive Science 2014 To receive a minor from the Department of Cognitive Science courses to give you the best understanding of the discipline of Cognitive Science: LOWER-DIVISION REQUIREMENTS: Choose ONE from this group: Cogs 1: Introduction to Cognitive Science Cogs 3: An Introduction

2012 Minor In Cognitive Science 2013 To receive a minor from the Department of Cognitive Science courses to give you the best understanding of the discipline of Cognitive Science: LOWER-DIVISION REQUIREMENTS: Choose ONE from this group: Cogs 1: Introduction to Cognitive Science Cogs 3: An Introduction

2011 Minor In Cognitive Science 2012 To receive a minor from the Department of Cognitive Science courses to give you the best understanding of the discipline of Cognitive Science: LOWER-DIVISION REQUIREMENTS: Choose ONE from this group: Cogs 1: Introduction to Cognitive Science Cogs 3: An Introduction

, for a particular cavity geometry, affects the temperature distribution on the cavity walls, and the location-dimensional flux distribution in the focal region, in particular as an aid to receiver design. Inputs to the ray error on the completed dish. On-sun flux mapping of the image produced by individual mirror panels gave

Registered Student Organization Guide for receiving donations through the MSU Foundation The Montana State University Alumni Foundation, Inc. ("Foundation") and Montana State University ("University and will facilitate the process for clubs to spend out contributions made on their behalf to the Foundation

INFLUENCES OF RAKE RECEIVER/TURBO DECODER PARAMETERS ON ENERGY CONSUMPTION AND QUALITY Lodewijk T are selected and their influences on the energy consumption and quality are investigated by means power hardware is needed to save energy consumption. Furthermore, an adequate quality of the wireless

Dominion Virginia Power, Fishermen’s Energy of New Jersey, and Principle Power, Inc. will each receive up to $46.7 million over the next four years to advance their projects in the second phase of the funding opportunity. The second phase will include follow-on design, fabrication, and deployment in order to achieve commercial operation by 2017.

Design of a High Temperature Small Particle Solar Receiver for Powering a Gas Turbine Engine Dr. Fletcher Miller SDSU Department of Mechanical Engineering Abstract Solar thermal power for electricity for the California desert and in other appro- priate regions worldwide. Current technology relies on steam Rankine

Published in IET Generation, Transmission & Distribution Received on 5th October 2012 Revised on 31 are small scale power systems that facilitate the effective integration of distributed generators (DG) [1 of multiple photovoltaic generators in a power distribution system [16]. Networked multi-agent systems have

produced by the incident wave field, also called 1 #12;the receiver function. The concept is simple function. They include frequency domain division with a spectral water level (Langston, 1979; Owens et al; 2005). This defeats MTRF's direct use for transition zone structure studies, but there are remedies

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Abstract In this paper, a numerical investigation of thermal and thermodynamic performance of a receiver for a parabolic trough solar collector with perforated plate inserts is presented. The analysis was carried out for different perforated plate geometrical parameters including dimensionless plate orientation angle, the dimensionless plate spacing, and the dimensionless plate diameter. The Reynolds number varies in the range 1.02 × 104 ? Re ? 7.38 × 105 depending on the heat transfer fluid temperature. The fluid temperatures used are 400 K, 500 K, 600 K and 650 K. The porosity of the plate was fixed at 0.65. The study shows that, for a given value of insert orientation, insert spacing and insert size, there is a range of Reynolds numbers for which the thermal performance of the receiver improves with the use of perforated plate inserts. In this range, the modified thermal efficiency increases between 1.2% and 8%. The thermodynamic performance of the receiver due to inclusion of perforated plate inserts is shown to improve for flow rates lower than 0.01205 m3/s. Receiver temperature gradients are shown to reduce with the use of inserts. Correlations for Nusselt number and friction factor were also derived and presented.

and nature of faecal waste applications to land in the UK is briefly reviewed, with data presented on both livestock slurry and manure, and human sewage sludge. Particular emphasis is placed on factors influencingOverland flow transport of pathogens from agricultural land receiving faecal wastes S.F. Tyrrel1

Dr. Rick White Richard L. White received his Ph.D. in Astrophysics from the University of WisconsinI as head of large software groups and leading the development of Hubble data analysis systems. Dr. White. White is co- investigator on the Hubble Space Telescope Advanced Camera, which was installed in Hubble

be received using telescopes upto a. 100 times smaller in size than the microwave antennas. Another major advantage is the smaller power consumption: the 20-to-50 W microwave traveling v:ave tube amplifiers will be replaced by 0. 5 K lasers. The laser beam...

Distributed Array of GPS Receivers for 3D Wind Profile Determination in Wind Farms Derek Chen to pursue further graduate studies. His research interests are in autonomous systems, remote sensing presentation awards at ION GNSS conferences. ABSTRACT Wind energy is currently one of the fastest growing

the following: Highlight the consequences of what you have observed or heard so your partner understands why, and the likely consequences for them personally. #12;www their understanding, not to provide them with "the truth." TIPS FOR RECEIVING FEEDBACK EFFECTIVELY: 1. Know what

The Heliostat Characterization System is a new system that has been used to align and focus heliostats at the Central Receiver Test Facility, Sandia National Laboratories. This system produces results comparable to those obtained with the original focus and alignment system but is faster and requires less labor.

signal over the complete 3.1GHz -10.6GHz UWB band. By applying the similar two-stage switching approach, we were able to implement a novel switched-LNA based UWB sampling receiver frontend. The proposed front-end has significantly lower power consumption...

a victim receiver's reported position, time, or both. In a future scenario where PMU data play signal and data process- ing; most of the countermeasures exploit the static and networked nature of time measurement unit (PMU), also known as synchrophasor, is a device capable of measuring power system voltage

Operational Monitoring of Weather Radar Receiving Chain Using the Sun IWAN HOLLEMAN Royal, is presented. The ``online'' method is entirely based on the analysis of sun signals in the polar volume data- termining the weather radar antenna pointing at low elevations using sun signals, and it is suited

Dr. Brian Anderson, a research fellow of the NETL-Regional University Alliance and associate professor of chemical engineering at West Virginia University, was recognized during a special event at U.S. Department of Energy Headquarters April 14 for receiving the highest honor the U.S. government can bestow on an outstanding scientist in the early stages of his research career.

The goal of the U.S. Department of Energy cooperative research project is to define, describe, and validate, a process to utilize salt caverns to receive and store the cargoes of LNG ships. The project defines the process as receiving LNG from a ship, pumping the LNG up to cavern injection pressures, warming it to cavern compatible temperatures, injecting the warmed vapor directly into salt caverns for storage, and distribution to the pipeline network. The performance of work under this agreement is based on U.S. Patent 5,511,905, and other U.S. and Foreign pending patent applications. The cost sharing participants in the research are The National Energy Technology Laboratory (U.S. Department of Energy), BP America Production Company, Bluewater Offshore Production Systems (U.S.A.), Inc., and HNG Storage, L.P. Initial results indicate that a salt cavern based receiving terminal could be built at about half the capital cost, less than half the operating costs and would have significantly higher delivery capacity, shorter construction time, and be much more secure than a conventional liquid tank based terminal. There is a significant body of knowledge and practice concerning natural gas storage in salt caverns, and there is a considerable body of knowledge and practice in handling LNG, but there has never been any attempt to develop a process whereby the two technologies can be combined. Salt cavern storage is infinitely more secure than surface storage tanks, far less susceptible to accidents or terrorist acts, and much more acceptable to the community. The project team developed conceptual designs of two salt cavern based LNG terminals, one with caverns located in Calcasieu Parish Louisiana, and the second in Vermilion block 179 about 50 miles offshore Louisiana. These conceptual designs were compared to conventional tank based LNG terminals and demonstrate superior security, economy and capacity. The potential for the development of LNG receiving terminals, utilizing salt caverns for storage and the existing comprehensive pipeline system has profound implications for the next generation of LNG terminals. LNG imports are expected to become an increasingly more important part of the U.S. energy supply and the capacities to receive LNG securely, safely, and economically must be expanded. Salt cavern LNG receiving terminals both in onshore and offshore locations can be quickly built and provide additional import capacity into the U.S. exceeding 6-10 Bcf/day in the aggregate.

APS, CNM, ANL to Receive $3M for Fuel Cell Research APS, CNM, ANL to Receive $3M for Fuel Cell Research The funding, from the U.S. Department of Energy's Office of Basic Energy Sciences, will be used to study the molecular basis of catalysis, with a particular interest in the oxygen reduction reaction in fuel cells. "We are looking to understand the behavior of oxygen in the low-temperature fuel cell cathodes," said Hoydoo You, leader of the group project. "The project builds on Argonne's scientific strengths, bringing collaboration between physicists and chemists, between theorists and experimentalists." The high-intensity X-rays from the Advanced Photon Source and nanoscale science at the Center for Nanoscale Materials are key enabling resources. The project includes researchers from Argonne's Materials Science,

River Protection Women-Owned Small Business Contractor River Protection Women-Owned Small Business Contractor Receives One-Year Extension Office of River Protection Women-Owned Small Business Contractor Receives One-Year Extension December 19, 2012 - 10:33am Addthis Richland - - The Energy Department's Office of River Protection announced the contract for Advanced Technologies and Laboratories International Inc. (ATL) has been extended for a second one-year option. ATL, a women-owned small business, will continue to provide analytical services and testing work at the Hanford Site 222-S Laboratory through January 2, 2014. "ORP values ATL's performance and commitment to safety," said Ellen Mattlin, Tank Farm Programs Division Director. "DOE appreciates the technical and management capabilities demonstrated by the ATL workforce."

Schmahl, Kirz Received Compton Award for Contributions to X-ray Microscopy Schmahl, Kirz Received Compton Award for Contributions to X-ray Microscopy Image of Compton Award The Advanced Photon Source (APS) and APS Users Organization (APSUO) are very pleased to announce that the 2005 Arthur H. Compton Award was given to GĂĽnter Schmahl and Janos Kirz for pioneering and developing the field of x-ray microscopy using Fresnel zone plates. Because of their leadership over the last 30 years, x-ray microscopy has evolved into a powerful method for the study of nanoscale structures and phenomena in many areas of science. Their achievements have opened up productive research avenues in biology, polymers, electronic nanostructures, magnetic materials, meteoritics, and environmental sciences. " GĂĽnter Schmahl and Janos Kirz have created a

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1 1 Comments to the DOE Federal Register Notice of Inquiry (NOI) on Considerations for Transmission Congestion Study and Designation of National Interest Electric Transmission Corridors Final Addendum - Additional Comments Received after March 9, 2006 The following material comprises the addendum to the comments received by DOE in response to the Federal Register Notice of Inquiry [FR Doc. E6-1394] issued on February 2, 2006. This notice solicited comment and information from the public concerning its plans for an electric transmission congestion study and possible designation of National Interest Electric Transmission Corridors (''NIETCs'') in a report based on the study pursuant to section 1221(a) of the Energy Policy Act of 2005. Through this Notice of Inquiry, DOE invited comment on

83 83 D Comments to the DOE Federal Register Notice of Inquiry (NOI) on Considerations for Transmission Congestion Study and Designation of National Interest Electric Transmission Corridors Received as of March 9, 2006 The following material comprises the comments received by DOE in response to the Federal Register Notice of Inquiry [FR Doc. E6-1394] issued on February 2, 2006. This notice solicited comment and information from the public concerning its plans for an electric transmission congestion study and possible designation of National Interest Electric Transmission Corridors (''NIETCs'') in a report based on the study pursuant to section 1221(a) of the Energy Policy Act of 2005. Through this Notice of Inquiry, DOE invited comment on draft criteria for gauging the

The Waste Receiving and Processing Facility (WRAP), 2336W Building, on the Hanford Site is designed to receive, confirm, repackage, certify, treat, store, and ship contact-handled transuranic and low-level radioactive waste from past and present U.S. Department of Energy activities. The WRAP facility is comprised of three buildings: 2336W, the main processing facility (also referred to generically as WRAP); 2740W, an administrative support building; and 2620W, a maintenance support building. The support buildings are subject to the normal hazards associated with industrial buildings (no radiological materials are handled) and are not part of this analysis except as they are impacted by operations in the processing building, 2336W. WRAP is designed to provide safer, more efficient methods of handling the waste than currently exist on the Hanford Site and contributes to the achievement of as low as reasonably achievable goals for Hanford Site waste management.

A laser warning receiver is disclosed which has up to hundreds of individual optical channels each optically oriented to receive laser light from a different angle of arrival. Each optical channel has an optical wedge to define the angle of arrival, and a lens to focus the laser light onto a multi-wavelength photodetector for that channel. Each multi-wavelength photodetector has a number of semiconductor layers which are located in a multi-dielectric stack that concentrates the laser light into one of the semiconductor layers according to wavelength. An electrical signal from the multi-wavelength photodetector can be processed to determine both the angle of arrival and the wavelength of the laser light.

A heliostat for a solar receiver system comprises an improved drive and control system for the heliostat reflector assembly. The heliostat reflector assembly is controllably driven in a predetermined way by a light-weight drive system so as to be angularly adjustable in both elevation and azimuth to track the sun and efficiently continuously reflect the sun's rays to a focal zone, i.e., heat receiver, which forms part of a solar energy utilization system, such as a solar energy fueled electrical power generation system. The improved drive system includes linear stepping motors which comprise low weight, low cost, electronic pulse driven components. One embodiment comprises linear stepping motors controlled by a programmed, electronic microprocessor. Another embodiment comprises a tape driven system controlled by a position control magnetic tape.

The objectives of the Low-Noise Far-Infrared (FIR) Receiver program for FIR laser development were established with the particular goal of improving magnetic fusion diagnostics in tokamak fusion reactors. Development of both FIR sources and receivers can greatly benefit such programs studying controlled nuclear fusion by providing vital data on particle velocity (temperature) and density through scattering measurements. The Department of Energy (DOE), through the University of California at Los Angeles (UCLA), has funded The Aerospace Corporation to design and implement state-of-the-art techniques in the FIR/near-millimeter-wave spectral region. Specific areas of interest to DOE are portable FIR lasers, near-millimeter-wave mixers, solid-state sources, and the integration of these areas into advanced diagnostic tools for plasma studies. This report documents the work accomplished in those areas of interest.

A 4 m x 4 m toroidal heliostat with receiver oriented dual-axis tracking, also called spinning-elevation tracking, was developed as an auxiliary heat source for a hydrogen production system. A series of spinning-elevation tracking formulas have been derived for this heliostat. This included basic tracking formulas, a formula for the elevation angle for heliostat with a mirror-pivot offset, and a more general formula for the biased elevation angle. This paper presents the new tracking formulas in detail and analyzes the accuracy of applying a simplifying approximation. The numerical results show these receiver oriented dual-axis tracking formula approximations are accurate to within 2.5 x 10{sup -6} m in image plane. Some practical tracking strategies are discussed briefly. Solar images from the toroidal heliostat at selected times are also presented. (author)

6, 2004 6, 2004 Minnesota Company to Receive $36 Million to Construct Clean Coal Plant Gasification Project Expected to Create Around 1,150 Construction and High-Tech Jobs DULUTH, MN - Secretary of Energy Spencer Abraham, joined by Minnesota Governor Tim Pawlenty and Senator Norm Coleman, today announced that a team effort led by Excelsior Energy Inc. of Minnetonka, Minn., has been selected by the Department of Energy to receive $36 million for the development of one of the cleanest coal-fired power plants in the world. MORE INFO Read Governor Pawlenty's remarks Read Senator Coleman's remarks Excelsior Energy and ConocoPhillips press release The award comes as part of President George W. Bush's 2002 Clean Coal Power Initiative (CCPI) to invest $2 billion over 10 years to advance

Idaho National Laboratory has received a 2010 GreenGov Presidential Award for outstanding achievement in fuel efficiency in its bus and automotive fleets. The award was presented today in Washington, D.C., as part of a three-day symposium on improving sustainability and energy efficiency across the federal government. Lots more content like this is available at INL's facebook page http://www.facebook.com/idahonationallaboratory.

of the second scan divided by the standard deviation of a region in the noise-only image. ..................................................... 36 Figure 4.3. SNR maps of a homogenous canola oil phantom acquired with the volume coil (left) and the 16... for the coupling patterns in the individual receive element field patterns. ................................................................................................................ 49 Figure 5.1: Visible and thermal images of a breast canola oil phantom...

Abstract In this paper, a detailed model for the transient simulation of solar cavity receivers for concentrating solar power plants is presented. The proposed model aims to consider all the major phenomena influencing the performance of a cavity receiver, including radiation, convection and conduction heat transfer mechanisms. For the radiation heat exchange within the cavity, the radiosity method is implemented, where the view factor calculation for all the active and passive surfaces is performed by a ray tracing algorithm programmed in a free software environment for statistical computing, namely R. A one-dimensional modeling approach is used for the tubes constituting the receiver active panels, through which the heat transfer fluid (HTF) is pumped. The governing partial differential equations are solved numerically by applying the finite volume method. Convective heat losses are modeled through different correlations for natural and forced convection heat losses from the specific literature. Once the thermal behavior has been characterized, the geometry of the model is later fixed to check the consistency of the model and to study its dynamic characteristics. A specific 51.6 MWth, PS10 like receiver is used in this paper, although the implemented model has the flexibility to allow a variable number of panels and geometric configurations. At last, an adaptive neural controller, designed and trained offline, controls the outlet temperature of the molten salts to the desired operating value. Results for transient simulations are shown in the paper, demonstrating the plausibility of the estimations obtained with the developed model. The proposed model has been implemented in the Modelica language and based on the Modelica Standard Library (MSL) modeling approach.

Abstract Concentrating solar power currently relies on high temperature central receivers that utilize liquid cooling and operate in power steam cycles. However, highly efficient central receivers are being designed to operate at higher temperatures in a gas turbine power cycle. To address this, San Diego State University's (SDSU) Combustion and Solar Energy Laboratory is experimenting with a lab-scale Small Particle Heat Exchange Receiver (SPHER) in order to understand performance and develop experience for designing and operating a full-scale 5 MW design. The full-scale design will be tested at the National Solar Thermal Test Facility at Sandia National Laboratories as part of the Department of Energy SunShot Initiative grant. The SPHER relies on carbon nanoparticles as an absorption medium and air as a working fluid. The carbon particles are generated onsite by the Carbon Particle Generator (CPG) and are mixed with dilution air prior to entering the SPHER. Lab scale on-sun testing is carried out with a 15kWe solar simulator. The lab scale experimental goal is to achieve an outlet flow of 650 °C at 5 bar absolute operating pressure. To model the performance of the SPHER, CFD analysis is being used for comparison to lab scale testing. The lab scale SPHER is being modeled in ANSYS Fluent with coupled codes for oxidation and radiation input. In this paper, we present results of testing the lab-scale receiver and compare the measured outlet temperatures to predictions from the computer model. Finally, correlations are drawn for future experimenation and feasibility.

Abstract In this paper, thermal performance analysis of 20 m2 prototype fuzzy focal solar dish collector is presented. The focal image characteristics of the solar dish are determined to propose the suitable design of absorber/receiver. First, theoretical thermal performance analysis of the fuzzy focal solar parabolic dish concentrator with modified cavity receiver is carried out for different operating conditions. Based on the theoretical performance analysis, the total heat loss (conduction, convection and radiation heat losses) from the modified cavity receiver is estimated. It is observed that the maximum theoretical efficiencies of solar dish collector are found to be as 79.2% for no wind conditions and 78.2% and 77.8% for side-on and head-on winds speed of 5 m/s respectively. Latter, real time analysis of parabolic dish collector with modified cavity receiver is carried out in terms of stagnation test, time constant test and daily performance test. From stagnation test, the overall heat loss coefficient is found to be 356 W/m2 K. The time constant test is carried out to determine the influence of sudden change in solar radiation at steady state conditions. The daily performance tests are conducted for different flow rates. It is found that the efficiency of the collector increases with the increase of volume flow rates. The average thermal efficiencies of the parabolic dish collector for the volume flow rate of 100 L/h and 250 L/h are found to be 69% and 74% for the average beam radiation (Ibn) of 532 W/m2 and 641 W/m2 respectively.

A general formula is derived for the effective incidence factor of an array of heliostat mirrors for solar power collection. The formula can be greatly simplified for arrays of high symmetry and offers quick computation of the performance of the array. It shows clearly how the mirror distribution and locations affect the overall performance and thus provide a useful guidance for the design of a solar heliostat receiver system.

17, 2002 17, 2002 Media Contact: Julie Petersen (803) 725-2889 DOE Announces Conceptual Design Contracts For SRS Salt Waste Processing Facility Flag Ribbon Art Aiken, SC - Today the Department of Energy (DOE) took the first step in commissioning a Salt Waste Processing Facility (SWPF) at the Savannah River Site (SRS) by awarding two contracts for the facility's conceptual design. The SWPF is intended to process the high-level radioactive waste salt solutions currently stored in underground tanks at SRS. The Department awarded Engineering, Procurement and Construction (EPC) contracts to Parsons Infrastructure & Technology Group, Inc., and Foster Wheeler USA Corporation for preparation of conceptual designs (Phase I) for the SWPF. The contracts are being awarded today after a full and open competition. Four companies submitted proposals that were extensively reviewed by the Department.

26, 2000 26, 2000 Media Contact: Rick Ford (803) 725-2889 Energy Secretary Bill Richardson to Visit Savannah River Site Groundbreaking for Tritium Facility, 50th Anniversary on Agenda Flag Ribbon Art Media Advisory Secretary of Energy Bill Richardson will be at the Savannah River Site and Fort Discovery on Thursday, July 27, to break ground for the new $400 million Tritium Extraction Facility and celebrate the 50th Anniversary of the Savannah River Site. Secretary Richardson will be joined by Gen. John Gordon, Administrator of the National Nuclear Security Administration; Dr. Carolyn Huntoon, Assistant Secretary for Environmental Management; and Madelyn Creedon, Deputy Administrator for Defense Programs. Secretary Richardson will also participate in a celebration of the site's 50th anniversary. At the celebration, Richardson will make brief remarks, present local elementary students with "Hands on Science" certificates, view exhibits and attend a reception for community leaders.

5, 2001 5, 2001 Media Contact: Rick Ford (803) 725-2889 Department of Energy Extends Contract at Savannah River Site Flag Ribbon Art Secretary Richardson announced today his decision to extend the contract with Washington Group International's Westinghouse Savannah River Company and its integrated team of Bechtel Savannah River, Inc.; BWXT Savannah River Company; and British Nuclear Fuels, Limited, Savannah River Corporation to manage and operate the Savannah River Site. The extension option was part of the original contract when it was competed in 1996. "The department has negotiated a contract extension with Westinghouse Savannah River Company that will promote efficiency and focus attention on the critical missions at the Savannah River Site," said Secretary Richardson. "The revised contract framework and structure provide value to the department and offer challenging, yet achievable, financial incentives to the contractor for high productivity and delivery on the job."

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4, 2001 4, 2001 Media Contact: Martha Merriweather (803) 725-2889 Dept. Of Energy Kicks Off Its 2001 Combined Federal Campaign Flag Ribbon Art AIKEN, SC - DOE employees at SRS begin their 2001 CFC with an Opening Program celebration on October 9. The Campaign runs through October 18, concluding with a Closing Ceremony on October 25. This year's campaign theme is "Caring for Community." The CFC is the government's way for federal employees to contribute to community agencies as well as agencies that work throughout the world. The SRS goal for this year is $101,000. Employee participation, which has steadily increased over the past years, is expected to reach near 100 percent. "Federal employees at SRS have a strong history of giving and I am confident this year's campaign will be successful," says DOE-SR Manager Greg Rudy.

4, 2001 4, 2001 Media Contact: Julie Petersen (803) 725-2889 Doe Announces Availability Of Draft RFP On Salt Waste Processing Facility Flag Ribbon Art Aiken, SC; May 24, 2001 -- Today the Department of Energy (DOE) Savannah River Operations Office (SR) announced in the Commerce Business Daily the availability of the Draft Request for Proposals (RFP) for the acquisition of services to design, construct, and commission a facility to process the salt fraction of high-level radioactive waste currently stored in underground tanks at the Savannah River Site. DOE-SR is seeking industry and stakeholder comments on the draft RFP. The Draft Request for Proposals, DE-RP09-01SR22210, Salt Waste Processing Facility, is available at the DOE Public Reading Room at the Gregg-Graniteville Library at the University of South Carolina-Aiken campus in Aiken, South Carolina, or Internet-accessible at www.e-center.doe.gov.

4, 1999 4, 1999 Media Contact: Bill Taylor (803) 725-2889 DOE Teams with State on Dedication and Management of 10,000 Acre Crackerneck Wildlife Management Area and Ecological Reserve Flag Ribbon Art Aiken, S.C. (June 24) -- Secretary of Energy Bill Richardson today designated 10,000 acres of the Savannah River Site (SRS) as a biological and wildlife refuge creating the Crackerneck Wildlife Management Area and Ecological Reserve. The agreement, co-signed by South Carolina Department of Natural Resources Director Dr. Paul Sandifer, gives the state overall management responsibility for the reserve. The creation of the Crackerneck Wildlife Management Area and Ecological Reserve will preserve the unique plant and wildlife habitat that lies on the siteÂ’s western boundary along the Savannah River, south of the town of Jackson, S.C. The Crackerneck area is recognized as a habitat for several wildlife species, including a variety of threatened and endangered animal species.

4, 2002 4, 2002 Media Contact: Bill Taylor (803) 725-2889 DOE/NNSA to Host Modern Pit Facility Media Availability Flag Ribbon Art U. S. Department of Energy National Nuclear Security Administration (NNSA) representatives will host a media availability at 4 p.m. on Monday, October 28, 2002, to discuss the upcoming public scoping meeting for the development of a Modern Pit Facility. The media availability session will be held at 4 p.m. in the North Augusta Community Center, 101 Brookside Drive, North Augusta, SC. The public scoping meeting will be held the following evening, October 29 at the same location. An informational open house and registration will begin at 6 p.m. with the formal scoping meeting set for 7 to 10 p.m. The meeting will provide the public with an opportunity to present comments, ask questions and discuss issues with NNSA representatives.

8, 1999 8, 1999 Media Contact: Rick Ford (803) 725-2889 DOE To Present Savannah River Site's Upcoming Fiscal Year 2000 Budget Flag Ribbon Art Aiken, SC - (Jan. 28, 1999) The public is invited to view the Department of Energy's (DOE) Fiscal Year 2000 budget presentation that will be provided via satellite downlink starting at 1:00 p.m., Monday, February 1, 1999, at Aiken Technical College's Learning Resource Center amphitheater. The annual DOE budget roll out will feature an introduction by Secretary of Energy Bill Richardson. Following the Energy Secretary, there will be a presentation of the Department's Environmental Management budget which provides approximately 90 per cent of the operational funding for the Savannah River Site (SRS). Immediately following the Department's "roll out" event, there will be a detailed DOE Savannah River Operations Office presentation to explain how the Fiscal Year 2000 budget will be used at SRS. A question-and-answer session will be included.

PPM is a signaling scheme that enables the transmission of multiple bits per symbol [1]. It has found favor in the regime of free space optical communications ('FSO' or 'Lasercom'); however, PPM has yet to be widely applied to fiber optic-based communications. Its limitation in fiber results from the exceedingly high bandwidth requirements needed to electronically process a directly detected pulse, especially as the symbol rate increases and the pulse width correspondingly decreases. As a solution, we introduced the concept of a virtual quadrant receiver for receiving 1.25 Gb/s 4-ary PPM, where photonic processing reduced the number of required electronic components [2]. In this paper, we extend these photonic process techniques to a 16-ary, 12.5 Gb/s (10 Gb/s plus 8B/10B line coding) PPM communications system for fiber optic avionics, wherein much of the receiver processing is enabled by techniques based on planar lightwave circuits (PLCs). The architecture is applicable to higher input data rates and M-ary PPM. In the following, we present the PPM encoding and decoding architectures and numerically simulated results.

Abstract This paper presents a methodology to project the flux distribution from the image plane into the panels of any central receiver in Solar Power Tower plants. Since analytic functions derived from the convolution approach are conveniently defined on the image plane, its oblique projection solves the distorted spot found in actual receivers. Because of its accuracy describing the flux distribution due to rectangular focusing heliostats, we make use of the analytic function on the image plane by Collado et al. (1986). Based on the projection method, we have developed a computer code successfully confronted against PSA measurements and SolTrace software, either for flat plate or multi-panel cylindrical receivers. The validated model overcomes the computation time limitation associated to Monte Carlo technique, with a similar accuracy and even higher level of resolution. For each heliostat in a field, the spillage is computed besides the rest of optical losses; parallel projection is used for shading and blocking. The resulting optical performance tool generates the flux map caused by a whole field of heliostats. A multi-aiming strategy is investigated on the basis of the radius of the reflected beams, estimated from error cone angles.

This invention is an improved solar energy cavity receiver for exposing materials and components to high temperatures. The receiver includes a housing having an internal reflective surface defining a cavity and having an inlet for admitting solar radiation thereto. A photothermal absorber is positiond in the cavity to receive radiation from the inlet. A reflective baffle is positioned between the absorber and the inlet to severely restrict the re-radiation of energy through the inlet. The front surface of the baffle defines a narrow annulus with the internal reflective surface of the housing. The front surface of the baffle is contoured to reflect incoming radiation onto the internal surface of the housing, from which it is reflected through the annulus and onto the front surface of the absorber. The back surface of the baffle intercepts radiation from the front of the absorber. With this arrangement, a high percentage of the solar power input is retained in the cavity; thus, high internal temperatues are attained.

BPA 20-year power subscription ďż˝ Q. Should DSIs receive cost-based power from BPA after 2006? If so, how much? ďż˝ A. DSI's should not receive firm, cost-based federal power from BPA after 2006. BPA customers. BPA sales of federal power to the DSI's, if any, should not increase costs to preference

The objective of this project is to complete a design of an advanced concentrated solar panel and demonstrate the manufacturability of key components. Then confirm the operation of the key components under prototypic solar flux conditions. This work is an important step in reducing the levelized cost of energy (LCOE) from a central receiver solar power plant. The key technical risk to building larger power towers is building the larger receiver systems. Therefore, this proposed technology project includes the design of an advanced molten salt prototypic sub-scale receiver panel that can be utilized into a large receiver system. Then complete the fabrication and testing of key components of the receive design that will be used to validate the design. This project shall have a significant impact on solar thermal power plant design. Receiver panels of suitable size for utility scale plants are a key element to a solar power tower plant. Many subtle and complex manufacturing processes are involved in producing a reliable, robust receiver panel. Given the substantial size difference between receiver panels manufactured in the past and those needed for large plant designs, the manufacture and demonstration on prototype receiver panel components with representative features of a full-sized panel will be important to improving the build process for commercial success. Given the thermal flux limitations of the test facility, the panel components cannot be rendered full size. Significance changes occurred in the projects technical strategies from project initiation to the accomplishments described herein. The initial strategy was to define cost improvements for the receiver, design and build a scale prototype receiver and test, on sun, with a molten salt heat transport system. DOE had committed to constructing a molten salt heat transport loop to support receiver testing at the top of the NSTTF tower. Because of funding constraints this did not happen. A subsequent plan to test scale prototype receiver, off sun but at temperature, at a molten salt loop at ground level adjacent to the tower also had to be abandoned. Thus, no test facility existed for a molten salt receiver test. As a result, PWR completed the prototype receiver design and then fabricated key components for testing instead of fabricating the complete prototype receiver. A number of innovative design ideas have been developed. Key features of the receiver panel have been identified. This evaluation includes input from Solar 2, personal experience of people working on these programs and meetings with Sandia. Key components of the receiver design and key processes used to fabricate a receiver have been selected for further evaluation. The Test Plan, Concentrated Solar Power Receiver In Cooperation with the Department of Energy and Sandia National Laboratory was written to define the scope of the testing to be completed as well as to provide details related to the hardware, instrumentation, and data acquisition. The document contains a list of test objectives, a test matrix, and an associated test box showing the operating points to be tested. Test Objectives: 1. Demonstrate low-cost manufacturability 2. Demonstrate robustness of two different tube base materials 3. Collect temperature data during on sun operation 4. Demonstrate long term repeated daily operation of heat shields 5. Complete pinhole tube weld repairs 6. Anchor thermal models This report discusses the tests performed, the results, and implications for design improvements and LCOE reduction.

The Mixed Oxide Fuel Fabrication Facility (MFFF) will use colemanite bearing concrete neutron absorber panels credited with attenuating neutron flux in the criticality design analyses and shielding operators from radiation. The Savannah River National Laboratory (SRNL) is tasked with measuring the boron oxide content of the colemanite raw aggregate material prior to it being mixed into the concrete. SRNL received ten samples of colemanite for analysis on July 22, 2013. The elemental boron content of each sample was measured according to ASTM C 1301. The boron oxide content was calculated using the oxide conversion factor for boron.

Detailed descriptions of the various mixed low-level waste feed streams that will be processed in the Waste Receiving and Processing Facility, Module 2A (WRAP 2A) are provided. Feed stream descriptions are based on available reports, the solid waste information tracking system database, and the 1993 solid waste forecast data. Available chemical and physical attributes, radionuclide data, waste codes, and packaging information are shown for 15 feed streams. The information sources and methodology for obtaining projections for WRAP 2A expected feed stream volumes also are described.

Westinghouse Hanford Company has determined that a facility is required for the treatment of mixed low-level waste at the Hanford Site. The mission of that facility will be to receive, process/treat, package, certify, and ship the contact-handled, mixed low-level waste that must be handled by Hanford Site to permanent disposal. Preconceptual and conceptual design studies were performed by United Engineers and Constructors, and a conceptual design report was issued. This report presents a summary of the conceptual design for a facility that will meet the mission established.

The Mixed Oxide Fuel Fabrication Facility (MFFF) will use colemanite bearing concrete neutron absorber panels credited with attenuating neutron flux in the criticality design analyses and shielding operators from radiation. The Savannah River National Laboratory (SRNL) is tasked with measuring the boron oxide content of the colemanite raw aggregate material prior to it being mixed into the concrete. SRNL received ten samples of colemanite for analysis on July 22, 2013. The elemental boron content of each sample was measured according to ASTM C 1301. The boron oxide content was calculated using the oxide conversion factor for boron.

This week, three scientists—two from Japan and one from the United States—received the Nobel Prize in physics for their work on the LED light. The trifecta, Isamu Akasaki, Hiroshi Amano and Shuji Nakamura, earned the prestigious award specifically for their invention of the blue light emitting diode, a game-changer in the history of LED lights. The American scientist, Shuji Nakamura, a pioneer in the lighting industry, is the founder of LED company Soraa, which has a history of working with the Department of Energy—both through EERE and our Advanced Research Projects Agency-Energy (ARPA-E)—on the subject of blue light diodes.